Key facts
Mt. Io (2,554m) is in Nagano Prefecture.
- Region
- Nagano Prefecture
- Nearest higher peak
- Doppyo · 2,899m, 3.1km
- Huts nearby
- Seiranso (3.2km), Yarigatake Sanso (4.4km), Otenjo Hutte (4.5km)
- Lakes nearby
- Washibaike (4.3km), Sugoroku lake (4.6km), Goro Lake (5.7km)
- Trailhead
- 8.8km
- Nearest village
- Matsukawa · 19km
