extends NW to headwaters of East Fork Arolik River, 31 mi. NE of Goodnews, Kilbuck-Kuskokwim Mts. 2.5 miles long.
Name derived from the Arolik River; published in 1951 by U.S. Geological Survey (USGS).
Atamautsitlguar Mountain, Atlakumtsitak Mountain, Chingekigtlik Mountain, Ingluilngok Mountain, Kisogle Mountain, Nimkai Mountain, Thumb Mountain, Tigyukauivet Mountain,
Streams:Bear Creek, Canyon Creek, Caribou Creek, Cascade Creek, Decemebr Creek, Flat Creek, Fox Creek, Garnet Creek, Granite Creek, Isurik Creek, Midas Creek, Olympic Creek, Slate Creek, Wattamuse Creek,