The Nonnenstein is a hill, 274 m above sea level, in the Wiehen Hills north of Rödinghausen, Germany. The Nonnenstein is also known in older literature as the Rödinghauser Berg.
Wikipedia https://en.wikipedia.org/wiki/Nonnenstein
Address (Unnamed Road), 32361, Germany
Coordinates 52°15'43.178" N 8°28'45.406" E