Çaycevher is a village in Taşköprü District, in Kastamonu Province, Türkiye. Çaycevher lies at 647 m above sea level, 3.8 km from the Ilgaz mountains. It has 405 inhabitants. The nearest city is Kastamonu, 19.3 km to the west. Among the landmarks around are Mahmut Bey Mosque (25 km), Pompeiopolis (20 km) and Nasrullah Mosque (19.5 km).