CalTopo
CalTopo is a professional mapping and planning platform popular with search-and-rescue teams, mountaineers, and backcountry skiers in North America. It offers advanced map layers, avalanche terrain analysis, and team coordination. Import CalTopo routes into MilMap for integration with MGRS coordinates and NATO reports.
Available on
How does the integration work?
Export from CalTopo
In CalTopo: open your map → "Export" in the menu → choose GPX or KML → download.
Import into MilMap
"Import" → select the GPX or KML file. All paths, waypoints, and areas are imported.
Export from MilMap to CalTopo
MilMap → export as KML → import into CalTopo via "Import".
Combine
Use CalTopo for avalanche terrain analysis and SAR grid planning; use MilMap for operational documentation and SALUTE reports.
When do you use this integration?
Importing CalTopo SAR search grids for operational coordination in MilMap
Planning routes in CalTopo and documenting them in MilMap
Overlaying CalTopo avalanche terrain with MilMap routes
Collaboration between CalTopo users (US) and MilMap users (Europe)
Tips & tricks
CalTopo GeoJSON export is also compatible with MilMap
SAR search areas are exported as polygons — MilMap converts these to waypoints
CalTopo Premium offers more export options than the free version