Hamr is a hamlet in Česká Lípa District, in the Liberec Region, Czechia. Hamr lies in the Sudetes mountains. The nearest city is Varnsdorf, 10.8 km to the north. Among the landmarks around are Grabštejn (15.9 km), Lemberk Castle (10.3 km) and Sloup Castle (10.5 km). Among the natural features are Horní Sedlo (12.8 km) and Křížová hora (8.4 km).