The district is washed by the East Siberian Sea in the north. The main river in the district is the Kolyma. Other rivers include the Alazeya, its tributary Rossokha, and the Chukochya. There are many lakes in the district, among them Lake Nerpichye, Lake Chukochye, Lake Bolshoye Morshoye, and Lake Ilyrgyttyn. Mount Kisilyakh-Tas is located in the district.