openclimbing.org is an open platform for climbing guides and maps. Topos and photos are stored in OpenStreetMap and Wikipedia projects, so they can be edited by anyone.
Klettergarten Amberg
Climbing Area
Climbing sectors in Klettergarten Amberg
All map data is from OpenStreetMap, a map created by millions of contributors — similar to Wikipedia. You can find Edit button on each map feature.