Mount Neishi. Additionally, there is a trail heading east to Honzawa Onsen (本沢温泉), on the pass between Mount Higashi Tengu and Mount Neishi. Mount Mikaburi...

Natsusawa Kosen, Neishi Mountain Hut. A second route is from Honzawa Onsen (本沢温泉), 2,100 m (6,890 ft), to Natsuzawa Pass. It is also possible to climb from...