CalTopo makes use of elevation data from a number of providers from around the world. Providers that require attribution as part of their license agreement are listed below.
| Region | Elevation Model |
|---|---|
| Global | |
| Globally north of 60°N, Alaska, Kamchatka | ArcticDEM |
| Global | JAXA ALOS |
| Global | Copernicus |
| North America | |
| Canada | MRDEM |
| Continental USA | NED 1/3as |
| USA | NED 1/9as |
| USA | 3DEP 1m |
| Mexico | CEM 15M |
| Mexico | CEM 5M |
| Europe -- Alps | |
| Austria | DGM Austria |
| France | RGE ALTI 1M |
| Germany | DGM1 |
| Italy | Tinitaly |
| Liechtenstein | swissALTI3D |
| Switzerland | swissALTI3D |
| Europe -- Scandinavia | |
| Finland | Höjdmodell 10 m |
| Finland | Höjdmodell 2 m |
| Norway | DTM10 |
| Norway | DTM1 |
| Asia | |
| Japan | DEM 10B |
| Oceania | |
| New Zealand | NZ 8m DEM |
| New Zealand | NZ LiDAR 1m DEM |