The Kigluaik Mountains are a forty-two mile mountain chain running east to west on western Alaska

Alaska

Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

's Seward Peninsula

Seward Peninsula

The Seward Peninsula is a large peninsula on the western coast of the U.S. state of Alaska. It projects about into the Bering Sea between Norton Sound, the Bering Strait, the Chukchi Sea, and Kotzebue Sound, just below the Arctic Circle...

.

Its highest point is the summit of Mount Osborn

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 by Mount Bendeleben because Bendeleben is much...

, at 4,714 feet (1437 meters) above sea level. This remote range is home to numerous isolated mountain lakes which have been shown to contain unique subspecies of Arctic char

Arctic char

Arctic char or Arctic charr is both a freshwater and saltwater fish in the Salmonidae family, native to Arctic, sub-Arctic and alpine lakes and coastal waters. No other freshwater fish is found as far north. It is the only species of fish in Lake Hazen, on Ellesmere Island in the Canadian Arctic...

. Located in the Nome Census Area

Nome Census Area, Alaska

Nome Census Area is a census area located in the state of Alaska, United States. As of the 2000 census, the population was 9,196. It is part of the unorganized borough and therefore has no borough seat. Its largest community by far is the city of Nome....

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

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

in western Alaska.