Donaustauf Castle Ruins

Donaustauf, Germany, Germany

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Donaustauf Castle Ruins are the remains of a medieval hilltop fortress overlooking the Danube River in Donaustauf, Bavaria.

The castle was built between about 914 and 930 by Bishop Tuto of Regensburg to help defend the region against Hungarian invasions, although the hill had already been used as a fortified site by Celtic peoples around 500 BC. Throughout the Middle Ages, the castle was an important stronghold of the Bishops of Regensburg and was repeatedly attacked, captured, and partially destroyed during regional power struggles.

It was also associated with notable historical figures, including Emperor Frederick Barbarossa and Albertus Magnus. Today, the restored ruins feature surviving walls, gate structures, and parts of the keep, offering visitors impressive views of the Danube Valley and the nearby Walhalla memorial. The site is one of the region’s most significant historic landmarks and a popular destination for hiking and sightseeing.