The Aktash is a river in the Kasbek and Khasavyurt districts of the Republic of Daghestan in Caucasian Russia. It is 156 kilometers (97 mi) long, with its width varying from 1.5 meters (5 ft) to 160 meters (520 ft). It has an overall slope of 14%. Its watershed is 3,390 square kilometers (1,310 sq mi).