The Kigluaik Mountains (''Kiglawait'' in Inupiaq) are a mountain chain running east to west on western

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S. ...

Seward Peninsula The Seward Peninsula is a large peninsula on the western coast of the U.S. state of Alaska whose westernmost point is Cape Prince of Wales. The peninsula projects about into the Bering Sea between Norton Sound, the Bering Strait, the Chukchi ...

. Its highest point is the summit of

Mount Osborn Mount Osborn is the highest point in the Kigluaik Mountains, and also on the Seward Peninsula. It is approximately 4714 feet high and is located on the north end of the range. Despite being almost one thousand feet taller, Osborn's fame is matched ...

, at above sea level. This remote range is home to numerous isolated mountain lakes which have been shown to contain unique subspecies of

Arctic char The Arctic char or Arctic charr (''Salvelinus alpinus'') is a cold-water fish in the family Salmonidae, native to alpine lakes and arctic and subarctic coastal waters. Its distribution is Circumpolar North. It spawns in freshwater and populat ...

. Located in the

Nome Census Area Nome Census Area is a census area located in the U.S. state of Alaska, mostly overlapping with the Seward Peninsula. As of the 2020 census, the population was 10,046, up from 9,492 in 2010. It is part of the unorganized borough and therefore h ...

, Kigluaik Mountains are noted as the location of Grand Union Glacier, the only remaining active

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires distinguishing features, such as ...

in western Alaska.Parker E. Calkin, Darrell S. Kaufman, Bruce J. Przybyl, W. Brett Whitford, and Brian J. Pec
Glacier Regimes, Periglacial Landforms, and Holocene Climate Change in the Kigluaik Mountains, Seward Peninsula, Alaska
/ref>

References

Landforms of the Seward Peninsula Mountain ranges of Alaska Mountains of Unorganized Borough, Alaska {{NomeAK-geo-stub