Sarıyar Dam is a dam 23 kilometres (14 mi) north of the town of Sarıyar in the Nallıhan district of Ankara Province. It is 125 kilometres (78 mi) west of the city of Ankara, the central Anatolian capital of Turkey. It is also located 60 kilometres (37 mi) upstream of Gökçekaya Dam on the Sakarya River, which runs into the Black Sea. It was completed in 1956. The total power output from the hydroelectric facility is 160 MW (four facilities of 40 MW each).