Tallest Mountain in US Arctic Crowned

Though Denali is the uncontested highest peak in North America — with a summit elevation of 20,310 feet (6,190 meters) — there has been a more than 50-year debate over which U.S. mountain can be crowned the tallest beyond the Arctic Circle. U.S. Geological Survey topographic maps from the 1950s show either Mount Chamberlin or Mount Isto as the highest mountain in the eastern Alaska Arctic region. At 8,975.1 feet (2,735.6 m), Mount Isto is the tallest peak in the U.S. Arctic, and