Cetina (pronounced [t͡sÉ›̌tina]) is a river in southern Croatia. It has a length of 101 km (63 mi) and its basin covers an area of 1,463 km2 (565 sq mi). Cetina descends from an altitude of 385 m at its source to the sea level when it flows into the Adriatic Sea. It is the most water-rich river in Dalmatia.
A canyon or gorge is a deep narrow valley with steep sides, with a stream flowing through it and is most often carved from the landscape by the erosive activity of a river. Canyons of Balkans are hiding some amazing history of modern Civilization.