Košťálov is a village in Semily District, in the Liberec Region, Czechia. Košťálov lies at 359 m above sea level, 5.8 km from the Giant mountains. It has 1,657 inhabitants (2024). The nearest city is Jablonec nad Nisou, 24 km to the northwest. Near the border: Poland, 23 km. Among the landmarks around are Trosky Castle (13.8 km), Kost Castle (21 km) and Valdštejn Castle (16.8 km). Among the natural features are Staropacká hora (9.8 km) and Zebín (13.3 km).
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