About & Pics


A cacheable slope angle map designed to assess avalanche danger and route planning in backcountry mountain travel in United States lower 48. Allows detailed slope analysis in avalanche terrain, contains both aspect and slope information at 1/3 arc second accuracy.

 Free in Google Play


Backcountry Map screenshot 1Backcountry Map screenshot 2Backcountry Map screenshot 3

Version History

Launched Feb 01, 2019 (about 2 months ago).
Feb 22
Version 1.1

Fixed an issue with the back button not always working correctly. Also made it clearer to the user that the only cacheable background map is currently the USGS topo map.

Feb 02
Version 4

More trouble getting API key to work

Feb 01
Version 2

Google Maps API fix


This app has not yet been rated.