Covering an area of 366 km2 (141 sq mi), it was established as a national park by the Ministry of Agriculture and Forestry on December 12, 1973.

[1] Within the park are the ruins of the ancient Greco-Roman city of Selge, as well as the intact Eurymedon Bridge, called Oluk Köprü in Turkish.

[2] The park is situated inside the province of Antalya in the district of Manavgat.

[3] The canyon is located 92 km (57 mi) northeast from Antalya City.

The canyon's walls are as high as 100m (328 feet) and stretch for 14 km (8.7 mi) along the Köprü River.