Donaustauf Castle is a ruined hill castle located at a height of 424 m above sea level on a hill spur overlooking the River Danube by the market village of Donaustauf in the Upper Palatine county of Regensburg in the south German state of Bavaria. Donaustauf grew up during the Middle Ages under the protection of the mighty fortifications of the castle.
Since 6 April 1986 the castle ruins have belonged to Donaustauf and, from 1997, the municipality had the castle made safe and renovated it.
Wikipedia https://en.wikipedia.org/wiki/Donaustauf_Castle
Address Donaustauf 93093, Germany
Coordinates 49°1'50.201" N 12°12'25.071" E