Its highest point is the summit of Mount Osborn, 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. Located in the Nome Census Area, Kigluaik Mountains are noted as the location of Grand Union Glacier, the only remaining active glacier in western Alaska.
- Webb, Joseph, A Newly Discovered Population of Arctic Char of the Kigluaik Mountains of Alaska, BLM-NSTC
- U.S. Geological Survey Geographic Names Information System: Kigluaik Mountains
- Parker E. Calkin, Darrell S. Kaufman, Bruce J. Przybyl, W. Brett Whitford, and Brian J. Peck Glacier Regimes, Periglacial Landforms, and Holocene Climate Change in the Kigluaik Mountains, Seward Peninsula, Alaska