Atigun Pass
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Atigun Pass, elevation 1,415 m (4,643 ft), is a mountain pass across the Brooks Range in Alaska. While famous among bush pilots for difficulty of crossing the pass with small planes (Anaktuvuk Pass is favored as the safer flying route), it is the only pass in the Brooks Range that is crossed by a road (the Dalton Highway).
Atigun Pass is the northernmost pass in the world that is kept open year-round.