When heading into the backcountry, reliable navigation is a safety requirement. Many enthusiasts prefer to because the platform offers high-resolution topographic data and specialized layers that other apps often lack. Accessing these maps offline ensures you can track your location and view critical terrain data even when cellular service is nonexistent. Why Download Maps for Offline Use?
Downloading layers is a straightforward process within the app for iOS and Android . download caltopo maps
Essential Guide to Downloading CalTopo Maps for Offline Navigation When heading into the backcountry, reliable navigation is
For professional users or those needing a laptop in the field, CalTopo offers a Desktop App . Why Download Maps for Offline Use
Tap the download icon in the top right. You can choose specific base layers (e.g., MapBuilder Topo) and overlays. You can also opt to include 3D data for enhanced visualization, though this increases file size.
The screen will display a 15x15 minute grid. Tap the individual tiles (quadrants) you wish to save. Selected tiles will be highlighted in yellow.
Navigate using your phone’s GPS without needing 4G/5G or Wi-Fi.