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Screenshots

  • CalTopo: Backcountry Mapping screenshot 1
  • CalTopo: Backcountry Mapping screenshot 2
  • CalTopo: Backcountry Mapping screenshot 3
  • CalTopo: Backcountry Mapping screenshot 4

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

5 ★ 89% 4 ★ 7% 3 ★ 2% 2 ★ 1% 1 ★ 1%

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.

CalTopo: Backcountry Mapping vs. alternatives
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