CalTopo: Backcountry Mapping
CalTopo LLC Navigation iPhoneiPadiPod touch
CalTopo: Backcountry Mapping is a free Navigation app for iPhone and iPad by CalTopo LLC. Rated 4.8/5 from 7,446 ratings. Requires iOS 16.0.
- Rating
- 4.8
- 7.4K ratings
- Price
- Free
- on the App Store
- Size
- 165 MB
- Age 4+
- Updated
- Sep 19
- 2026 · v1.30
Screenshots
About CalTopo: Backcountry Mapping
New on CalTopo: the CalTopo app is now satellite ready, allowing you to use many features of the app offline with satellite data! Take the best mapping app with you wherever you go with the CalTopo app for iOS. Trusted by professional mountain guides, avalanche educators, and search and rescue teams, CalTopo has all the features you need to plan your next off-grid pursuit. Seamless integration between CalTopo online and your mobile device allows you to access and update your maps no matter where you are. Any changes you make will automatically sync across all devices, making exporting and importing your latest map a thing of the past. The CalTopo app allows you to easily take your planning and navigation to the next level. Real time decision making in backcountry terrain is made easy with the ability to download maps and layers like slope angle shading to your device for offline use. Plan for conditions on your route with sun exposure, wind, precipitation and avalanche forecasts. View and track your location on the map using GPS, even if you are offline. Share maps with your teams or travel partners to plan collaboratively, and to ensure everyone has the necessary data. Monitor real time updates from the field, like your friends progress on a long outing with live tracking on shared maps. Plan and navigate your next adventure with the CalTopo App today! Map layers include: • MapBuilder Topo, Hybrid and Overlay • Forest Service Maps • Scanned Topos • Global Imagery • Shaded Relief • Slope Angle Shading (including high resolution elevation data where available) • Parcel data • Public Lands • Weekly Satellite Imagery • NAIP Satellite Imagery • Sun Exposure • Marine Charts • Weather Forecasting (including wind, precipitation, and temperatures) • Snow and Water Gauge Data • Fire History/Activity • And many more Support and Feature Requests: Email us at [email protected].
Ratings & reviews
4.8
7.4K ratings
What’s new
Version 1.30 · Updated September 19, 2026
New Shaded Relief (Terrain) to better visualize high resolution elevation data
App privacy
The developer, CalTopo LLC, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Precise Location
- Identifiers: User ID
- Diagnostics: Crash Data
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Performance Data
Used for: Analytics, App Functionality
Alternatives to CalTopo: Backcountry Mapping
Looking for apps like CalTopo: Backcountry Mapping? Here are 6 similar apps on the App Store. The highest rated is Gaia GPS: Mobile Trail Maps (4.8/5), and all 6 are free to download.
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Gaia GPS: Mobile Trail Maps
4.8
-
onX Backcountry: 3D Trail Maps
4.8
-
Garmin Explore™
4.1
-
FarOut: Hike, Bike, Paddle
4.8
-
Earthmate
2.7
-
Avenza Maps: Offline Mapping
4.8
| App | Rating | Price | Last updated |
|---|---|---|---|
| CalTopo: Backcountry Mapping | 4.8 / 5 (7,446 ratings) | Free | September 19, 2026 |
| Gaia GPS: Mobile Trail Maps | 4.8 / 5 (32,219) | Free | Sep 14, 2026 |
| onX Backcountry: 3D Trail Maps | 4.8 / 5 (6,428) | Free | Sep 22, 2026 |
| Garmin Explore™ | 4.1 / 5 (1,038) | Free | Aug 28, 2026 |
| FarOut: Hike, Bike, Paddle | 4.8 / 5 (26,629) | Free | Sep 15, 2026 |
| Earthmate | 2.7 / 5 (271) | Free | Aug 25, 2026 |
| Avenza Maps: Offline Mapping | 4.8 / 5 (127,911) | Free | Aug 13, 2026 |