Hildenburg, Castle ruin and archaeological site in Hausen, Germany.

Hildenburg sits on a cone-shaped mountain in the Rhön range and is surrounded by beech forests. The remains show parts of the keep and foundation walls that are reachable by stone paths.

The Hildenburg probably dates from the 8th century, when a noblewoman named Hiltiburg is documented donating estates near Fulda around 824. The Hildenburg family died out with Adalbert III; his daughter Adelheid married Count Otto III of Bodenlaube in 1228, and the couple sold the castle to the Bishopric of Würzburg in 1230. It remained a princely administrative seat until around 1600. A later legend claims rebellious peasants from Bastheim destroyed it in 1525 while searching for Martin Luther, but no proof of this exists.

The castle's name comes from a noblewoman who made donations to Fulda Abbey around 824. Visitors today can trace the connection between this place and that early medieval female figure.

The mountain location requires sturdy shoes and careful footing on uneven paths. Visitors should allow time to explore, as some ways around the ruins can be steep.

Local folklore speaks of hidden treasures in the ruins, which inspired generations of villagers to search for buried wealth. These stories show how the site captured people's imagination and curiosity for centuries.