Burg Weißenstein, Castle ruin in Wehrda, Germany

Burg Weißenstein is a castle ruin on a sandstone hill north of Wehrda with preserved wall sections indicating different building phases. The structures show features from multiple construction periods spanning its early years through its abandonment in the High Middle Ages.

The site was used in prehistoric times, and part of the ramparts may date from the Iron Age. Castle construction began in the 8th–9th century with a square building, expanded by the 11th century with ring walls, a residential tower, a triangular annex and a house with a pentagonal tower. A fire destroyed the complex around 1100, after which it was abandoned; Wigand Gerstenberg's claim of destruction in 1248 by troops of Landgravine Sophie of Brabant is probably false, as excavations show no use after about 1100.

This site reflects medieval defensive methods through its still-visible walls and commanding hilltop location. Visitors can understand how such fortifications controlled the valley and served as regional power symbols.

The ruin sits on a white sandstone knoll about 1,000 m north of Wehrda, roughly 250 m above sea level above the Lahn valley. Reach it on foot from Wehrda; the rampart and ditch system covers about 1.4 ha, with the inner enclosure measuring 620 m². Ground is uneven and unshaded, so wear sturdy shoes and carry water.

Archaeological evidence suggests a devastating fire in the late 11th century destroyed much of the structures here. This fire left burn marks that researchers still examine in the ruins today, documenting what happened at this location.