Asahidake
| Mount Asahi | |
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| 旭岳 | |
Mount Asahi, the tallest peak in Hokkaidō (September 2004)
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| Highest point | |
| Elevation | 2,290.9 m (7,516 ft) |
| Prominence | 2,290.9 m (7,516 ft) |
| Listing |
List of mountains and hills of Japan by height List of ultra prominent peaks List of volcanoes in Japan |
| Coordinates | 43°39′N 142°51′E / 43.650°N 142.850°ECoordinates: 43°39′N 142°51′E / 43.650°N 142.850°E |
| Geography | |
 Mount Asahi
Location of Mount Asahi in Japan.
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| Location | Higashikawa, Hokkaido, Japan |
| Parent range | Daisetsuzan Volcanic Group |
| Topo map |
Geographical Survey Institute 25000:1 旭岳 25000:1 愛山溪温泉 50000:1 大雪山 50000:1 旭岳 |
| Geology | |
| Age of rock | Holocene |
| Mountain type | Stratovolcano |
| Last eruption | 1739 |
Mount Asahi (旭岳 Asahi-dake?) is a mountain located in the town of Higashikawa, Hokkaido and the tallest mountain in the Japanese island of Hokkaido. It is part of the Daisetsuzan Volcanic Group of the Ishikari Mountains, it is located in the northern part of the Daisetsuzan National Park.
The mountain is popular with hikers in the summer and can be easily reached from Asahidake Onsen via Asahidake Ropeway. During winter, the mountain is open for use by skiers and snowboarders.
Sugatami Pond, directly below the peak, is famous for its reflection of the peaks, snow, and steam escaping from the volcanic vents.
Sulphur was once mined in the fumarolic areas.
Mount Asahi is an active stratovolcano that arose 3 kilometres (1.9 mi) southwest of the Ohachi-Daira caldera. The Japan Meteorological Agency gave the region rank C in volcanic activity. In addition to the main peak, there is a smaller volcano emerging from the southeast shoulder of the mountain, Mount Ushiro Asahi or Rear Mount Asahi (後旭岳 Ushiro-Asahi-dake?). It is a stratovolcano 2,291 metres (7,516 ft) in height. The volcano consists mainly of andesite and dacite,Holocene volcanic non-alkali mafic rock less than 18,000 years old.
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