The Bolcz Castle (German: Bolzenschloss, later Bolkoschloß, Bolzenstein) is a castle with fragments of natural rock walls in Poland, located about 15 kilometres (9.3 mi) from Jelenia Góra, in the northern part of the Rudawy Janowickie, on a rocky, granite protrusion, about 561 metres (1,841 ft) above sea level.