Beyazsu is a village in Çayeli District, in Rize Province, Türkiye. Beyazsu lies at 147 m above sea level, in the Rize Dağları mountains. It has 450 inhabitants. The nearest city is Çayeli, 4.1 km to the north. Beaches nearby: Kemeraltı (8.9 km). Among the landmarks around are Zilkale (22 km), Bozukkale (8.2 km) and Erenler bridge (9.6 km). Among the natural features are Ağaran Waterfall (6.9 km).