Belfort Castle is a ruined castle in the municipality of Brienz/Brinzauls of the Canton of Graubünden in Switzerland. It is a Swiss heritage site of national significance.
Wikipedia https://en.wikipedia.org/wiki/Belfort_Castle_(Graubünden)
Address (Unnamed Road), 7084, Switzerland
Coordinates 46°40'15.513" N 9°36'37.284" E