Koryak Nature Reserve (Russian: Корякский заповедник) (also Koryaksky) is a Russian ‘zapovednik’ (strict nature reserve) Located in the north of the Kamchatka Peninsula, in the valley of the Kuyul River in the Russian Far East, and in separate coastal areas on the coast of the Bering Sea. Nature reserve. Square: 3271,56 sq.m.