Avalanche.org: Map of avalanche forecasts for the United States. OpenSeaMap: Free nautical chart with buoys, lights and harbours from OpenStreetMap.
| Avalanche.org | OpenSeaMap | |
|---|---|---|
| Category | Hiking, Ski & Outdoor Maps | Hiking, Ski & Outdoor Maps |
| Coverage | United States | Worldwide |
| Updates | Daily | Continuously (community edits) |
| Data source | US avalanche centres | OpenStreetMap and community depth data |
| Made by | American Avalanche Association | OpenSeaMap contributors |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Works well on phones | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Avalanche.org
- Danger levels by forecast region
- Links to local avalanche centres
- Education resources
What you can do with OpenSeaMap
- Seamarks, lights and harbours
- Community depth data
- Sport and harbour layers
Summary based on public information. Check each map's website for current features and prices.