Brackenburg, Medieval castle ruin in Rosdorf, Germany

Brackenburg is a castle ruin on a hilltop near Rosdorf with several stone walls and fortification remains. The foundations of a palace and thick-walled structures are still visible and define the character of the site.

The fortress was founded in 1303 by Duke Ernst I to protect trade routes from Hessian attacks. It stood on an important passage and reflected the power of the territory.

The name Brackenburg comes from the basalt cone Brackenberg on which the ruin stands. In 1776 a play titled "Hermann Riedel von der Brackenburg oder Eigensinn schadet den Ehen" was printed and premiered in Göttingen ten years later, after Goethe's Götz von Berlichingen had revived interest in knightly life. The ruin has been left to decay since that time.

The site is reachable on foot with good access via hiking trails, though paths around the ruins can be uneven. Visitors should wear sturdy shoes and watch their step, especially in wet conditions.

Excavations beneath the palace area uncovered glass objects, pottery, and bone remains. These finds reveal that the fortress was not just a military structure but served as a residential home for many years.