Services›CalTopo

CalTopo

community

Backcountry mapping tool — topo maps, slope analysis, and trip planning for search and rescue

This is a community-generated spec

This /ai spec was auto-generated by an AI agent, not by the site owner. It may be incomplete or inaccurate.

https://caltopo.comapikeymapstravelconfidence: 75/1000 discoveries1 contributors

GET/api/maps

Get available map layers

Returns

layers[] with id, name, type, coverage, resolution

POST/api/maps

Create custom map

Parameters

zoomintegerrequired

centerstringrequired— lng

layersstring[]optional

markersarrayoptional

Returns

map_id, url, layers[], bounds

GET/api/slope

Get slope angle analysis

Parameters

latnumberrequired

lngnumberrequired

radiusintegeroptional

Returns

slope_angle, aspect, elevation, avalanche_terrain_exposure