USGS National Map basemaps
US government topo, imagery and shaded-relief tile services from The National Map.
| Publisher | U.S. Geological Survey |
|---|---|
| Coverage | United States
Bounding box (EPSG:4326): -179.2, 17.8, -64.5, 71.4 |
| Licence | LicenseRef-Public-Domain
Publisher's wording: Public domain |
| Themes | basemap-providers, display-visualization |
| Update cadence | Not stated |
| Formats | Not stated |
| Status | active |
| Last verified | 2026-11-05 |
| Notes | Free, US coverage |
| Recipe | Not stated |
| Related | Not stated |
Access endpoints
| Type | URL | Layer or index | Auth | Notes |
|---|---|---|---|---|
http | https://basemap.nationalmap.gov/ | Not stated | none | Not stated |
arcgis-rest | https://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer | Not stated | none | Cached topographic base map (Web Mercator, 24 levels); refreshed 2026-09-04. Other base maps (imagery, shaded relief) are on the same server. |