Géoportail: France's official map portal: IGN maps, aerial photos, cadastre and history. The National Map Viewer: Official US topographic data: elevation, hydrography, boundaries and imagery.
| Géoportail | The National Map Viewer | |
|---|---|---|
| Category | Map Platforms & National Atlases | Map Platforms & National Atlases |
| Coverage | France | United States |
| Updates | Periodically | Periodically |
| Data source | IGN and French public bodies | US Geological Survey |
| Made by | IGN (Institut national de l'information géographique et forestière) | US Geological Survey |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Best on a computer |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Géoportail
- IGN topographic maps
- Aerial photos, current and historical
- Cadastre and land data
- Hundreds of thematic layers
What you can do with The National Map Viewer
- US topographic base layers
- Elevation and hydrography
- Free data downloads
Summary based on public information. Check each map's website for current features and prices.