The Tsankov Kamak Hydroelectric Power Plant also Tsankov Kamak HPP comprises an arch dam and hydroelectric power plant (HPP) in Tsankov Kamak southwestern Bulgaria. It is situated on the Vacha River in Smolyan Province on the borders of Pazardzhik Province and Plovdiv Province roughly 40 kilometres (25 mi) southwest of Plovdiv and downstream (north) of the town of Devin.