Peřimov is a village in Semily District, in the Liberec Region, Czechia. Peřimov lies at 394 m above sea level, 2.7 km from the Giant mountains, by the Jizera. It has 283 inhabitants (2024). The nearest city is Jablonec nad Nisou, 24 km to the west. Near the border: Poland, 18 km. Among the landmarks around are Trosky Castle (19.6 km), Valdštejn Castle (21 km) and Kost Castle (27 km). Among the natural features are Przełęcz Szklarska (22 km) and Mumlava Waterfall (16.8 km).