OpenTopography: High-resolution lidar and elevation data, searchable on a map. River Runner: Follow a raindrop from anywhere to the sea.
| OpenTopography | River Runner | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Environment & Wildlife Maps |
| Coverage | Worldwide | Worldwide |
| Updates | Periodically | Static archive |
| Data source | Lidar surveys and global DEMs | Hydrological datasets |
| Made by | San Diego Supercomputer Center and partners | Sam Learner |
| Price | Free | Free |
| Account | Free to view, account for extras | No account needed |
| On phones | Best on a computer | Works well on phones |
| Map view | Flat map | 3D |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with OpenTopography
- Lidar datasets on a map
- Global elevation models
- Online processing
What you can do with River Runner
- Click anywhere to trace water to the sea
- 3D flyover of the route
- River names along the way
Summary based on public information. Check each map's website for current features and prices.