Mountain Project: Rock climbing routes and crags with community beta. Navionics ChartViewer: Nautical charts and sonar depth maps for boaters, online.
| Mountain Project | Navionics ChartViewer | |
|---|---|---|
| Category | Hiking, Ski & Outdoor Maps | Hiking, Ski & Outdoor Maps |
| Coverage | Worldwide, best in North America | Worldwide |
| Updates | Continuously (community edits) | Periodically |
| Data source | Community contributions | Navionics charts and community sonar logs |
| Made by | Mountain Project (onX) | Navionics (Garmin) |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Phone app available | Phone app available |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Mountain Project
- Climbing areas on a map
- Route grades and descriptions
- Photos and comments
What you can do with Navionics ChartViewer
- Nautical charts worldwide
- Community sonar depth contours
- Marinas and points of interest
Summary based on public information. Check each map's website for current features and prices.