Altdahn Castle is a castle ruin in the Palatinate Forest, the German part of the Wasgau region. It is located near the town of Dahn in Rhineland-Palatinate, Germany. It stands 337 metres above sea level.
Wikipedia https://en.wikipedia.org/wiki/Altdahn_Castle
Address 1 Burg Altdahn, 66994, Germany
Coordinates 49°9'1.41" N 7°48'10.708" E