Frauenstein Castle is a ruined castle in the town of Wiesbaden-Frauenstein in Hesse, Germany.
It is not known who built Frauenstein Castle, but, based on dendrochronological evidence, its construction has been dated to around 1184. Built on a quartzite outcropping of the Spitzen Stein the castle was not intended as a defensive fortress, but rather as a watch-tower. It also served the tower guards as a dwelling.
Address 15 Kirschblütenstraße, Frauenstein 65201, Germany
Coordinates 50°3'54.411" N 8°9'16.448" E