Sunderburg, Medieval castle ruins in Grafrath, Germany
The castle sits on a plateau rising 40 meters above the Amper River, protected by steep slopes on its north and east sides.
Archaeological excavations between 2003 and 2006 revealed that the site originated as a Bronze Age settlement dating from approximately 1800 to 1600 BCE.
The site includes a system of ramparts, ditches, and remnants of a medieval tower castle that belonged to the counts of Diessen-Andechs.
The heritage site covers one hectare of land and features remaining walls reaching heights of up to 7 meters, accessible through marked hiking trails.
Located 250 meters southwest of the castle stand weathered stones from the Central Alps, known locally as 'Sacrifice Stones' or 'Blood Stones'.
Location: Grafrath
GPS coordinates: 48.12570,11.19050
Latest update: March 7, 2025 15:42
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