AllTrails: Find hiking, running and biking trails with reviews and photos. CalTopo: Backcountry map for planning with slope angle, topo and fire layers.
| AllTrails | CalTopo | |
|---|---|---|
| Category | Hiking, Ski & Outdoor Maps | Hiking, Ski & Outdoor Maps |
| Coverage | Worldwide | Worldwide, best in the US |
| Updates | Continuously (community edits) | Periodically |
| Data source | User-recorded trails and reviews | USGS, satellite imagery and many other layers |
| Made by | AllTrails | CalTopo |
| Price | Free; AllTrails+ adds offline maps and more | Free + paid plan |
| Account | Free to view, account for extras | Free to view, account for extras |
| On phones | Phone app available | Best on a computer |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with AllTrails
- Trails worldwide with reviews
- Filter by length, difficulty and dog-friendliness
- Recent condition reports
- Offline maps with AllTrails+
What you can do with CalTopo
- Topo maps with slope-angle shading
- Draw and measure routes
- Print large maps
- Many specialist layers
Summary based on public information. Check each map's website for current features and prices.