Quick Summary
CalTopo is a powerful mapping companion designed for backcountry travel. It combines advanced map-creation tools with up-to-date layer data, making it a strong option for planning and navigating off-trail adventures.
Core Map Features
- Custom terrain shading for clearer slope and relief visualization
- Active fire maps and incident overlays to keep routes safe
- Solar exposure and aspect layers to evaluate sun and shade patterns
- Land management boundaries and ownership overlays for access info
- USGS MapBuilder tiles and topographic base layers for traditional topo detail
The app supports both flat 2D maps and a three-dimensional perspective, so you can examine terrain from multiple angles and projections.
Trip Planning and Map Creation
CalTopo provides intuitive drawing and annotation tools so you can build, edit, and export detailed route plans. Create waypoints, sketch routes, and generate printable maps or digital exports to share with partners.
Seamless Syncing Between Devices
Your work syncs automatically across devices and the web. Changes made on your phone upload to CalTopo.com within seconds, ensuring your desktop, tablet, and mobile views stay current.
In-Field Navigation and Sharing
While in the field you can stream your GPS track back to the web in near real-time, drop markers on the map, and instantly share locations or track files with friends and team members. This makes it simple to coordinate and keep everyone informed during a trip.
Why Choose It
CalTopo combines flexible, professional-grade mapping tools with live data feeds and fast synchronization—features that together make it especially useful for backcountry users who need reliable planning, navigation, and situational awareness.
Technical
- Android
- Free