Klokočí is a village in Semily District, in the Liberec Region, Czechia. Klokočí lies at 376 m above sea level, 0.6 km from the Giant mountains. It has 209 inhabitants (2024). The nearest city is Jablonec nad Nisou, 14.7 km to the north. Near the border: Poland, 23 km. Among the landmarks around are Trosky Castle (9.3 km), Kost Castle (13.6 km) and Valdštejn Castle (5.7 km). Among the natural features are Postojna (0.8 km) and Maškova zahrada (5.2 km).