Pınarönü is a village in Devrek District, in Zonguldak Province, Türkiye. Pınarönü lies at 316 m above sea level, in the Akçakoca Dağları mountains. It has 808 inhabitants. The nearest city is Devrek, 3.4 km to the north. Among the landmarks around are Heraclea Pontica (47 km).