Mount Asahi, Mountain summit in the Hida Mountains, Japan

Mount Asahi is a 2,418-metre peak in the northernmost part of the Hida Mountains (Northern Alps), on the border of Toyama and Niigata prefectures within Chubu-Sangaku National Park. Its flat summit holds alpine flowers and wetlands such as Kozakuraga-hara, and snowfields remain near the top even in summer. The 栂海新道 trail links the summit to the Sea of Japan coast at Oyashirazu.

Mount Asahi is a 2,418 m peak of the Ushirotateyama range in the northern Hida Mountains, on the border of Toyama and Niigata prefectures. In the 1960s, when the Tateyama-Kurobe Alpine Route was being built, Unazuki and other Shimoshin'etsu towns pushed a "super forest road" across the mountain toward Renge Onsen. The Forestry Agency judged forest development would bring no benefit and the Environment Agency opposed damage to rare flora and fauna, so the plan stalled; a trans-Alpine tunnel route beneath the mountain is still discussed.

The mountain's name comes from it being the first peak in the range to catch the morning sun as seen from the villages below, and the town of Asahi in Toyama Prefecture takes its name from the mountain. A long trail, the Tsugami Shindo, links the summit to the Sea of Japan coast at Oyashirazu, starting at sea level.

The summit is reached only on foot: from Hakuba-dake along the ridgeline via Yukikura-dake, from Renge Onsen by bus from Hiraiwa Station, or from Ogawa Onsen via Asahi Hut and Kitamata Hut, where a reserved taxi is the usual transport since the forest road is closed to private cars. The Tsugami Shindo traverses from the summit down to the Sea of Japan at Oyashirazu Station, and its condition demands caution.

The Tsugami Shindo trail links Mount Asahi's summit to the Sea of Japan coast at Oyashirazu, dropping to sea level over a long ridge route. The mountain also gives its name to Asahi town in Toyama Prefecture, and it was named because it is the first peak in the range to catch the morning sun as seen from valley settlements.