Ulmen Castle is a ruined castle complex in Ulmen, Germany.The upper castle was built on a slope above the Ulmener Maar, while the lower castle was adjacent but below it.
Wikipedia https://en.wikipedia.org/wiki/Ulmen_Castle
Address 7 Burgfrieden, 56766, Germany
Coordinates 50°12'30.455" N 6°58'53.617" E