Château de Freundstein is a ruined castle in the commune of Goldbach-Altenbach, in the department of Haut-Rhin, Alsace, France. It has been a listed historical monument since 1922.
Wikipedia https://en.wikipedia.org/wiki/Château_de_Freundstein
Address 68760, France
Coordinates 47°52'13.193" N 7°7'29.565" E