diff --git a/website/src/lib/docs/de/home/mapbox.mdx b/website/src/lib/docs/de/home/mapbox.mdx
index d9d7c4126..6c4372a89 100644
--- a/website/src/lib/docs/de/home/mapbox.mdx
+++ b/website/src/lib/docs/de/home/mapbox.mdx
@@ -1,5 +1,5 @@
 Mapbox ist das Unternehmen, das einige der schönen Karten auf dieser Website zur Verfügung stellt.
 Sie entwickeln auch die <a href="https://github.com/mapbox/mapbox-gl-js" target="_blank">Karten-Engine</a> welche **gpx.studio** unterstützt.
 
-Wir sind äusserst glücklich und dankbar, Teil ihres <a href="https://mapbox.com/community" target="_blank">Community</a> Programms zu sein, das gemeinnützige Organisationen, Bildungseinrichtungen und Organisationen mit positivem Einfluss unterstützt.
+Wir sind äußerst glücklich und dankbar, Teil ihres <a href="https://mapbox.com/community" target="_blank">Community</a> Programms zu sein, das gemeinnützige Organisationen, Bildungseinrichtungen und Organisationen mit positivem Einfluss unterstützt.
 Diese Partnerschaft ermöglicht es **gpx.studio**, von den Mapbox-Tools zu ermäßigten Preisen zu profitieren, was erheblich zur finanziellen Tragfähigkeit des Projekts beiträgt und es uns ermöglicht, die bestmögliche Benutzererfahrung zu bieten.
diff --git a/website/src/locales/be.json b/website/src/locales/be.json
index f94f456ea..441bec5a2 100644
--- a/website/src/locales/be.json
+++ b/website/src/locales/be.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/ca.json b/website/src/locales/ca.json
index 3437c8574..a20e4a770 100644
--- a/website/src/locales/ca.json
+++ b/website/src/locales/ca.json
@@ -282,6 +282,7 @@
             "update": "Actualitza la capa"
         },
         "opacity": "Opacitat de la superposició",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Mapes base",
             "overlays": "Capes",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Estació de tren",
             "tram-stop": "Parada de tramvia",
             "bus-stop": "Parada d'autobús",
-            "ferry": "Ferri"
+            "ferry": "Ferri",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/cs.json b/website/src/locales/cs.json
index 7d283a256..42bc9ed9a 100644
--- a/website/src/locales/cs.json
+++ b/website/src/locales/cs.json
@@ -282,6 +282,7 @@
             "update": "Aktualizovat vrstvu"
         },
         "opacity": "Průhlednost překryvu",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Základní mapy",
             "overlays": "Překrytí",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Vrstevnice",
             "swisstopoHiking": "swisstopo Turistická",
             "swisstopoHikingClosures": "swisstopo Turistické uzávěry",
@@ -377,7 +380,9 @@
             "railway-station": "Železniční stanice",
             "tram-stop": "Zastávka tramvaje",
             "bus-stop": "Autobusová zastávka",
-            "ferry": "Trajekt"
+            "ferry": "Trajekt",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/da.json b/website/src/locales/da.json
index 9d0ae6623..282061a9a 100644
--- a/website/src/locales/da.json
+++ b/website/src/locales/da.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/de.json b/website/src/locales/de.json
index 294be3d8f..f041ec3bc 100644
--- a/website/src/locales/de.json
+++ b/website/src/locales/de.json
@@ -282,6 +282,7 @@
             "update": "Layer aktualisieren"
         },
         "opacity": "Deckkraft der Überlagerung",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basiskarte",
             "overlays": "Ebenen",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Neigung",
             "swisstopoHiking": "swisstopo Wandern",
             "swisstopoHikingClosures": "swisstopo Wanderungen Schließungen",
@@ -377,7 +380,9 @@
             "railway-station": "Bahnhof",
             "tram-stop": "Straßenbahnhaltestelle",
             "bus-stop": "Bushaltestelle",
-            "ferry": "Fähre"
+            "ferry": "Fähre",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/el.json b/website/src/locales/el.json
index 0137ac426..041f2726e 100644
--- a/website/src/locales/el.json
+++ b/website/src/locales/el.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/es.json b/website/src/locales/es.json
index 58d7cf70f..5f2cbc8e4 100644
--- a/website/src/locales/es.json
+++ b/website/src/locales/es.json
@@ -282,6 +282,7 @@
             "update": "Actualizar capa"
         },
         "opacity": "Opacidad de la capa superpuesta",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Mapas base",
             "overlays": "Capas",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "Gravel bikerouter.de",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Senderismo",
             "swisstopoHikingClosures": "swisstopo Rutas Senderismo",
@@ -377,7 +380,9 @@
             "railway-station": "Estación de tren",
             "tram-stop": "Parada de tranvía",
             "bus-stop": "Parada de autobús",
-            "ferry": "Ferri"
+            "ferry": "Ferri",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/eu.json b/website/src/locales/eu.json
index 7f68f17d4..7aac98cf2 100644
--- a/website/src/locales/eu.json
+++ b/website/src/locales/eu.json
@@ -282,6 +282,7 @@
             "update": "Eguneratu geruza"
         },
         "opacity": "Geruzaren opakutasuna",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Oinarrizko mapak",
             "overlays": "Geruzak",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Malda",
             "swisstopoHiking": "swisstopo Mendi ibilaldiak",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Tren geltokia",
             "tram-stop": "Tranbia geltokia",
             "bus-stop": "Autobus geltokia",
-            "ferry": "Ferria"
+            "ferry": "Ferria",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/fi.json b/website/src/locales/fi.json
index 6e46b70eb..754754d59 100644
--- a/website/src/locales/fi.json
+++ b/website/src/locales/fi.json
@@ -282,6 +282,7 @@
             "update": "Päivitä karttataso"
         },
         "opacity": "Peitetason läpinäkyvyys",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Taustakartat",
             "overlays": "Peitetasot",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Rinnekaltevuus",
             "swisstopoHiking": "swisstopo Retkeilyreitit",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Rautatieasemat",
             "tram-stop": "Raitiovaunupysäkit",
             "bus-stop": "Linja-autopysäkit",
-            "ferry": "Lautat"
+            "ferry": "Lautat",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/fr.json b/website/src/locales/fr.json
index fd1d41275..033e2068f 100644
--- a/website/src/locales/fr.json
+++ b/website/src/locales/fr.json
@@ -282,6 +282,7 @@
             "update": "Mettre à jour la couche"
         },
         "opacity": "Opacité de la surcouche",
+        "terrain": "Source du relief",
         "label": {
             "basemaps": "Fonds de carte",
             "overlays": "Surcouches",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Relief",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Pente",
             "swisstopoHiking": "swisstopo Randonnée",
             "swisstopoHikingClosures": "swisstopo Fermetures de randonnée",
@@ -377,7 +380,9 @@
             "railway-station": "Gare",
             "tram-stop": "Arrêt de tram",
             "bus-stop": "Arrêt de bus",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/he.json b/website/src/locales/he.json
index a8143d282..2e2b27c2f 100644
--- a/website/src/locales/he.json
+++ b/website/src/locales/he.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/hu.json b/website/src/locales/hu.json
index a187cfac6..0e9c76af8 100644
--- a/website/src/locales/hu.json
+++ b/website/src/locales/hu.json
@@ -282,6 +282,7 @@
             "update": "Réteg feltöltése"
         },
         "opacity": "Átfedés átlátszósága",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Alaptérkép",
             "overlays": "Térkép rétegek",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "kerékpár és terepkerékpár út",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Lejtő",
             "swisstopoHiking": "swisstopo Túra",
             "swisstopoHikingClosures": "swisstopo túralezárások",
@@ -377,7 +380,9 @@
             "railway-station": "Vasútállomás",
             "tram-stop": "Villamos megálló",
             "bus-stop": "Buszmegálló",
-            "ferry": "Komp"
+            "ferry": "Komp",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/id.json b/website/src/locales/id.json
index 92f8c3fd1..6b63a575e 100644
--- a/website/src/locales/id.json
+++ b/website/src/locales/id.json
@@ -282,6 +282,7 @@
             "update": "Perbarui lapisan"
         },
         "opacity": "Opasitas Overlay",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Peta dasar",
             "overlays": "Overlay",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Kemiringan",
             "swisstopoHiking": "swisstopo Pendakian",
             "swisstopoHikingClosures": "Penutupan Jalur Pendakian swisstopo",
@@ -377,7 +380,9 @@
             "railway-station": "Stasiun kereta api",
             "tram-stop": "Halt trem",
             "bus-stop": "Pemberhentian Bus",
-            "ferry": "Feri"
+            "ferry": "Feri",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/it.json b/website/src/locales/it.json
index 91caca6e2..0c52c4584 100644
--- a/website/src/locales/it.json
+++ b/website/src/locales/it.json
@@ -282,6 +282,7 @@
             "update": "Aggiorna livello"
         },
         "opacity": "Opacità di sovrapposizione",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Mappe di base",
             "overlays": "Sovrapposizioni",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Pendenza",
             "swisstopoHiking": "swisstopo Escursione",
             "swisstopoHikingClosures": "swisstopo Fine escursione",
@@ -377,7 +380,9 @@
             "railway-station": "Stazione ferroviaria",
             "tram-stop": "Fermata del tram",
             "bus-stop": "Fermata dell'autobus",
-            "ferry": "Traghetto"
+            "ferry": "Traghetto",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/ko.json b/website/src/locales/ko.json
index 9fed8012f..918e9fcbe 100644
--- a/website/src/locales/ko.json
+++ b/website/src/locales/ko.json
@@ -282,6 +282,7 @@
             "update": "레이어 갱신"
         },
         "opacity": "오버레이 투명도",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "배경 지도",
             "overlays": "오버레이",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "철도역",
             "tram-stop": "트램 정류장",
             "bus-stop": "버스 정류장",
-            "ferry": "페리"
+            "ferry": "페리",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/lt.json b/website/src/locales/lt.json
index 285823419..2ddc8046e 100644
--- a/website/src/locales/lt.json
+++ b/website/src/locales/lt.json
@@ -282,6 +282,7 @@
             "update": "Naujinti sluoksnį"
         },
         "opacity": "Sluoksnio skaidrumas",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Pagrindo žemėlapiai",
             "overlays": "Sluoksniai",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Geležinkelio stotis",
             "tram-stop": "Tramvajaus stotelė",
             "bus-stop": "Autobusų stotelė",
-            "ferry": "Keltas"
+            "ferry": "Keltas",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/lv.json b/website/src/locales/lv.json
index db6b57bb7..cbae3f1de 100644
--- a/website/src/locales/lv.json
+++ b/website/src/locales/lv.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/nl.json b/website/src/locales/nl.json
index 69765238d..ad9332628 100644
--- a/website/src/locales/nl.json
+++ b/website/src/locales/nl.json
@@ -282,6 +282,7 @@
             "update": "Update laag"
         },
         "opacity": "Laag Transparantie",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basis kaarten",
             "overlays": "Lagen",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Grind",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Helling",
             "swisstopoHiking": "swisstopo Wandelen",
             "swisstopoHikingClosures": "swisstopo Hiking Sluiting",
@@ -377,7 +380,9 @@
             "railway-station": "Treinstation",
             "tram-stop": "Tramhalte",
             "bus-stop": "Bushalte",
-            "ferry": "Veerboot"
+            "ferry": "Veerboot",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/no.json b/website/src/locales/no.json
index 79a862ecb..45baa5a48 100644
--- a/website/src/locales/no.json
+++ b/website/src/locales/no.json
@@ -282,6 +282,7 @@
             "update": "Oppdater lag"
         },
         "opacity": "Gjennomsiktighet for overlegg",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basiskart",
             "overlays": "Overlag",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "sykkelrute Grus",
             "cyclOSMlite": "SyklOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopografisk helningskart",
             "swisstopoHiking": "swisstopografisk Fottur",
             "swisstopoHikingClosures": "swisstopografi Stengte turstier",
@@ -377,7 +380,9 @@
             "railway-station": "Jernbanestasjon",
             "tram-stop": "Trikkestopp",
             "bus-stop": "Bussholdeplass",
-            "ferry": "Ferge"
+            "ferry": "Ferge",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/pl.json b/website/src/locales/pl.json
index e14f48659..2cd6a32a1 100644
--- a/website/src/locales/pl.json
+++ b/website/src/locales/pl.json
@@ -282,6 +282,7 @@
             "update": "Zaktualizuj warstwę"
         },
         "opacity": "Przezroczystość nakładki",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Mapy bazowe",
             "overlays": "Nakładki",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Stoki",
             "swisstopoHiking": "swisstopo Szlaki Turystyczne",
             "swisstopoHikingClosures": "swisstopo Zamknięcia Szlaków",
@@ -377,7 +380,9 @@
             "railway-station": "Stacja kolejowa",
             "tram-stop": "Przystanek tramwajowy",
             "bus-stop": "Przystanek autobusowy",
-            "ferry": "Prom"
+            "ferry": "Prom",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/pt-BR.json b/website/src/locales/pt-BR.json
index fc28dc3c4..bb9e3a59c 100644
--- a/website/src/locales/pt-BR.json
+++ b/website/src/locales/pt-BR.json
@@ -282,6 +282,7 @@
             "update": "Atualizar camada"
         },
         "opacity": "Opacidade de sobreposição",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Mapa base",
             "overlays": "Sobreposições",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Estações ferroviárias",
             "tram-stop": "Parada de bonde",
             "bus-stop": "Parada de Ônibus",
-            "ferry": "Balsa"
+            "ferry": "Balsa",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/pt.json b/website/src/locales/pt.json
index 56fc94b55..8dfbb1f3e 100644
--- a/website/src/locales/pt.json
+++ b/website/src/locales/pt.json
@@ -282,6 +282,7 @@
             "update": "Atualizar camada"
         },
         "opacity": "Opacidade da sobreposição",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Mapas base",
             "overlays": "Sobreposições",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Estações ferroviárias",
             "tram-stop": "Parada de bonde",
             "bus-stop": "Parada de Ônibus",
-            "ferry": "Balsa"
+            "ferry": "Balsa",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/ro.json b/website/src/locales/ro.json
index a3623708d..3853df374 100644
--- a/website/src/locales/ro.json
+++ b/website/src/locales/ro.json
@@ -282,6 +282,7 @@
             "update": "Actualizează stratul"
         },
         "opacity": "Opacitatea overlay-ului",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Hărți de bază",
             "overlays": "Suprapuneri",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Gară",
             "tram-stop": "Tram Stop",
             "bus-stop": "Stație de autobuz",
-            "ferry": "Feribot"
+            "ferry": "Feribot",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/ru.json b/website/src/locales/ru.json
index 23064dde5..5b169ec3d 100644
--- a/website/src/locales/ru.json
+++ b/website/src/locales/ru.json
@@ -282,6 +282,7 @@
             "update": "Обновить слой"
         },
         "opacity": "Прозрачность наложения",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Основные карты",
             "overlays": "Наложения",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Железнодорожная станция",
             "tram-stop": "Трамвайная остановка",
             "bus-stop": "Автобусная остановка",
-            "ferry": "Паром"
+            "ferry": "Паром",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/sr.json b/website/src/locales/sr.json
index 8acc6bd3c..53e80c876 100644
--- a/website/src/locales/sr.json
+++ b/website/src/locales/sr.json
@@ -282,6 +282,7 @@
             "update": "Ažurirajte sloj"
         },
         "opacity": "Providnost preklapanja",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Osnovne mape",
             "overlays": "Preklapanja",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Železnička stanica",
             "tram-stop": "Tramvajsko stajalište",
             "bus-stop": "Autobusko stajalište",
-            "ferry": "Trajekt"
+            "ferry": "Trajekt",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/sv.json b/website/src/locales/sv.json
index c8781b6fb..f6d259eda 100644
--- a/website/src/locales/sv.json
+++ b/website/src/locales/sv.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Baskartor",
             "overlays": "Lager",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Järnvägsstation",
             "tram-stop": "Spårvagnshållplats",
             "bus-stop": "Busshållplats",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/th.json b/website/src/locales/th.json
index aec6bb4b5..ff1210312 100644
--- a/website/src/locales/th.json
+++ b/website/src/locales/th.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/tr.json b/website/src/locales/tr.json
index 63740c69f..1f27c242e 100644
--- a/website/src/locales/tr.json
+++ b/website/src/locales/tr.json
@@ -282,6 +282,7 @@
             "update": "Katman güncelle"
         },
         "opacity": "Katman şeffaflığı",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Temel haritalar",
             "overlays": "Katmanlar",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Eğim",
             "swisstopoHiking": "swisstopo Yürüyüş",
             "swisstopoHikingClosures": "swisstopo Yürüyüş Sonu",
@@ -377,7 +380,9 @@
             "railway-station": "Tren istasyonu",
             "tram-stop": "Tramvay Durağı",
             "bus-stop": "Otobüs Durağı",
-            "ferry": "Feribot"
+            "ferry": "Feribot",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/uk.json b/website/src/locales/uk.json
index 4b508f4fc..2a8725e92 100644
--- a/website/src/locales/uk.json
+++ b/website/src/locales/uk.json
@@ -282,6 +282,7 @@
             "update": "Оновити шар"
         },
         "opacity": "Непрозорість накладання",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Базові карти",
             "overlays": "Накладання",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Залізнична Станція",
             "tram-stop": "Трамвайна Зупинка",
             "bus-stop": "Автобусна Зупинка",
-            "ferry": "Пором"
+            "ferry": "Пором",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/vi.json b/website/src/locales/vi.json
index f93e94e0a..297b1bbb1 100644
--- a/website/src/locales/vi.json
+++ b/website/src/locales/vi.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/zh-HK.json b/website/src/locales/zh-HK.json
index 54f37955c..13590168d 100644
--- a/website/src/locales/zh-HK.json
+++ b/website/src/locales/zh-HK.json
@@ -282,6 +282,7 @@
             "update": "Update layer"
         },
         "opacity": "Overlay opacity",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "Basemaps",
             "overlays": "Overlays",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "swisstopo Slope",
             "swisstopoHiking": "swisstopo Hiking",
             "swisstopoHikingClosures": "swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "Railway Station",
             "tram-stop": "Tram Stop",
             "bus-stop": "Bus Stop",
-            "ferry": "Ferry"
+            "ferry": "Ferry",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {
diff --git a/website/src/locales/zh.json b/website/src/locales/zh.json
index 23128e3b0..a18e741ea 100644
--- a/website/src/locales/zh.json
+++ b/website/src/locales/zh.json
@@ -282,6 +282,7 @@
             "update": "更新图层"
         },
         "opacity": "图层透明度",
+        "terrain": "Terrain source",
         "label": {
             "basemaps": "底图",
             "overlays": "叠加层",
@@ -325,6 +326,8 @@
             "usgs": "USGS",
             "bikerouterGravel": "bikerouter.de Gravel",
             "cyclOSMlite": "CyclOSM Lite",
+            "mapterhornHillshade": "Mapterhorn Hillshade",
+            "openRailwayMap": "OpenRailwayMap",
             "swisstopoSlope": "Swisstopo Slope",
             "swisstopoHiking": "Swisstopo Hiking",
             "swisstopoHikingClosures": "Swisstopo Hiking Closures",
@@ -377,7 +380,9 @@
             "railway-station": "火车站",
             "tram-stop": "有轨电车站",
             "bus-stop": "小型公交站台",
-            "ferry": "渡口"
+            "ferry": "渡口",
+            "mapbox-dem": "Mapbox DEM",
+            "mapterhorn": "Mapterhorn"
         }
     },
     "chart": {