The Maly Anyuy flows roughly westwards, south and west of the Ilirney Range, making a wide bend by the Chuvanay Range —flowing first northwards and then westwards again at the feet of the Kyrganay Range— in western Chukotka Autonomous Okrug. Just after crossing into the Sakha Republic, it meets the Bolshoy Anyuy, merging with it into a single channel (Anyuy proper) before meeting the Kolyma close to its delta. Its length is and its basin surface .