The remains of the castle ruins can be visited.
CastleBieberehren - Klingen
Klingenstein Castle

The Klingenstein castle site is a vanished late medieval castle complex on a mountain spur between the Tauber valley to the east and another stream valley to the west. It is located about 240 meters southwest of the Catholic filial church of St.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://www.wehrbauten.de/thread.php?threadid=1559
This description is a machine translation of an excerpt from the linked Wikipedia article. The source text was written by its authors, the translation is by Mobile History; like the original it is licensed under CC BY-SA 4.0.
Location: 49.4914, 10.0147