Uzamkum-tanasuu is a island located in Aleutians West County, Alaska. It appears on the Atka C-2 SE USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 53.91 feet (16.43 m) above sea level. The nearest populated place is Tanaangis Tanadgusii (historical), approximately 12.6 miles to the ENE.