| Altdahn Castle | |
|---|---|
Burg Altdahn | |
| Dahn | |
 The castle group at Dahn | |
  Altdahn Castle  Altdahn Castle | |
| Coordinates | 49°09′00″N 7°48′05″E / 49.1499°N 7.8014°E |
| Type | hill castle, rock castle |
| Code | DE-RP |
| Height | 337 m above sea level (NN) |
| Site information | |
| Condition | ruin |
| Site history | |
| Built | between 1200 and 1236 |
| Materials | rusticated ashlar |
| Garrison information | |
| Occupants | ministeriales |
Altdahn Castle (German: Burg Altdahn) 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 (1,106 ft) above sea level (NN).