Mount Nasu

Group of complex volcanoes on the island of Honshu

Mount Nasu (那須岳, Nasu-dake) is a group of complex volcanoes located in the northeast part of Nikkō National Park, Japan. The tallest peak is Sanbonyari Peak at a height of 1,916.9 m (6,289 ft). Mount Nasu is one of the 100 Famous Japanese Mountains.

Major peaks

Mount Nasu has the following major peaks:

• Sanbonyari Peak – 1916.9 m
• Chausu Peak – 1915 m
• Asahi Peak – 1896 m
• Minamigatsusan – 1776 m
• Kuro-oya Peak – 1589 m

These peaks are known collectively as Nasu Five Peaks (那須5岳, Nasu-Go-Take).

Climate

Eruption

It is estimated that Mount Nasu started erupting 600 thousand years ago. The eruption started from the north end of the mountain range, at Kashi-Asahi Peak. Only Chausu Peak is active today.

Access

• Nasu Sancho Station of Nasu Ropeway
• Sandogoya Onsen Bus Stop of Kanto Transportation

Gallery

• 
  Chausu lava dome and Asahi Peak
• 
  Chausu lava dome and fumes
• 
  Asahi Peak
• 
  West view from Sanbonyari Peak
• 
  Sanbonyari Peak and snow in summer
• 
  At the Sanbonyari Peak
• 
  Topographic map
• 
  To Asahi Peak

References

1. "Topographic map of Mount Nasu". opentopomap.org. Retrieved 2023-06-12.
2. "Nasudake". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-24.
3. 観測史上1～10位の値（年間を通じての値）. JMA. Retrieved February 18, 2022.
4. 気象庁 / 平年値（年・月ごとの値）. JMA. Retrieved February 18, 2022.

External links

• Nasudake – Japan Meteorological Agency (in Japanese)
• "Nasudake: National catalogue of the active volcanoes in Japan" (PDF). – Japan Meteorological Agency
• Nasudake – Geological Survey of Japan