The Altdahn castle group lies east of the town of Dahn. The threefold castle Altdahn, Grafendahn and Tanstein is the largest castle complex in the Pfalz (Palatinate). They are also named the "Dahner locks". The ruins of the three castles rise on five huge sandstone rocks standing next to one another on a high hill.
Location: Palatinate Forest
Photographer: Martin Skidmore