Mount Asahi (朝日岳, Asahidake) is a mountain located on the border of Yamagata Prefecture with Niigata Prefecture, in northern Japan. It is part of the Asahi Mountain Range, which is part of Bandai-Asahi National Park. The mountain has a peak Ō-Asahidake (大朝日岳) with a height of 1,870 metres (6,140 ft) which is wholly within Yamagata Prefecture, and a secondary peak Ko-Asahidake (小朝日岳) with a height of 1,648 metres (5,407 ft) to the northeast.