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 help@caltopo.com.