Mount Osborn

mountain, Alaska, United States

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July 1, 2026

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Mount Osborn is a peak located in the Kigluaik Mountains on the Seward Peninsula in Alaska, United States. It is the highest point in this region, reaching an elevation of 4,714 feet (1,437 meters). The Seward Peninsula is the westernmost tip of mainland Alaska, situated about 50 miles from Russia across the Bering Strait. The landscape of the Seward Peninsula is characterized by broad hills and ridges, with more rugged mountain groups interspersed throughout.1

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Alaskan mountains
Physiography of the central ranges
…4,714 feet (1,437 meters), is Mount Osborn in the Kigluaik Mountains in the southwestern part of the peninsula. Most of that area is characterized by permafrost. The exposed bedrock is early Paleozoic metamorphics, Cretaceous sediments, and intrusions of Mesozoic igneous rock.
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…4,714 feet (1,437 meters), is Mount Osborn in the Kigluaik Mountains in the southwestern part of the peninsula. Most of that area is characterized by permafrost. The exposed bedrock is early Paleozoic metamorphics, Cretaceous sediments, and intrusions of Mesozoic igneous rock.
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