OpenStreetMap

ChristianA has commented on the following diary entries

Post When Comment
Two trips to ruins of an old sawmill 19 days ago

No worries, it usually happens when I am mountiainbiking.

Using DEM and slope data to find interesting mapping locations about 2 months ago

The SRTM data? It was a couple of years ago that I checked, but according to https://wiki.openstreetmap.org/wiki/SRTM , it is in the public domain.