Radvanec is a village in Česká Lípa District, in the Liberec Region, Czechia. Radvanec lies at 305 m above sea level, 1.0 km from the Sudetes mountains. It has 276 inhabitants (2024). The nearest city is Česká Lípa, 8.9 km to the southwest. Near the border: Germany, 11 km. Among the landmarks around are Grabštejn (22 km), Lemberk Castle (14.0 km) and Sloup Castle (2.6 km). Among the natural features are Křížová hora (12.6 km) and Stožecké sedlo (9.1 km).