The river flows as a boundary between Andhra Pradesh and Odisha for almost fifty miles and then completely into Malkangiri. The famous Duduma Waterfalls named after a legendary Rani Duduma is formed in the Machkund river and three kilometres away from these waterfalls is a popular tourist spot called Matsya Tirth. The waterfalls of river Machkund are used for generating electricity under the banner of "Machkund Hydroelectric Project".
The river delineates Andhra Pradesh and Odisha for almost fifty miles before entering Malkangiri. Near these waterfalls, named after a legendary Rani Duduma, is the renowned Duduma Waterfalls in the Machkund river. Three kilometres from these waterfalls is a popular tourist spot called Matsya Tirth. The waterfalls of the Machkund river are used for electricity generation under the "Machkund Hydroelectric Project".