Mount Nasu

Mount Nasu (那須岳) 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 1916.9 m. 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).

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