 After the gorge, the Radika receives its major tributary, the Valovica river from the right and flows on the northern slopes of the Stogovo mountain.After the villages of Dolno Kosovrasti, Dolno Melničani, Gorenci and Rajčica, the Radika empties into the Black Drin, just south of Debar.The river Black Drin is one of tributaries of River Drin, while the next is White Drin that originate from Kosova.