Windeck Castle, also Old Windeck Castle, is a ruined Black Forest spur castle which stands on a 378-metre-high spur in the Bühl district of Kappelwindeck, in the county of Rastatt in the German state of Baden-Württemberg.
Wikipedia https://en.wikipedia.org/wiki/Windeck_Castle_(Bühl)
Address 104 Kappelwindeckstraße, 77815, Germany
Coordinates 48°40'20.148" N 8°9'28.27" E