Cetina is a river in southern Croatia. It has a length of 105 km (63 mi) and its basin covers an area of 1,463 km2(565 sq mi). From its source, Cetina descends from an elevation of 385 metres (1,263 ft) above sea level to the Adriatic Sea. It is the most water-rich river in Dalmatia. The source of the river is a karst spring. Cetina has its source in the northwestern slopes of Dinara. Over her source, north of Vrlika, there is a „Gentleman’s cave“, famous most populated in the prehistoric period. In the beautiful canyon of the river Cetina you can enjoy the magic of rafting.