Mt. Aino (間ノ岳)

Mt. Aino (間ノ岳) is a 3,189.5m peak in the northern Southern Alps.
Tied for the third-highest peak in Japan (the same elevation as Mt. Okuhotaka), it is counted among the 100 Famous Japanese Mountains, the 100 Famous Mountains of Koshinetsu, and the 100 Famous Mountains of Yamanashi.

The standard climb is via Mt. Kita, with Hirogawara as the trailhead.
By train, the Yamanashi Kotsu Southern Alps Climbing Bus departs from Kofu Station.
To climb in a single day from the Tokyo area on a weekend, the standard approach is to arrive at Kofu Station overnight and catch the early-morning bus.

*Timetable last checked: May 17, 2026

How to access the trailheads

1. [Going] Kofu Station → Hirogawara
2. [Return] Hirogawara → Kofu Station

1. [Going] Kofu Station → Hirogawara

From the bus stop at the south exit of JR Kofu Station, take the Yamanashi Kotsu Southern Alps Climbing Bus “Hirogawara Line” and get off at “Hirogawara”.
Travel time: about 1 hour 55 minutes
Fare: ¥2,400 + ¥300 (user cooperation fee)

Operating period: typically late June to early November

Bus TimetableKofu Station to Hirogawara Bus Timetable

Reference: [Yamanashi Kotsu]

2. [Return] Hirogawara → Kofu Station

From Hirogawara, take the Yamanashi Kotsu Southern Alps Climbing Bus “Hirogawara Line” and get off at Kofu Station.
Travel time: about 1 hour 55 minutes
Fare: ¥2,400 + ¥300 (user cooperation fee)

Operating period: typically late June to early November

Bus TimetableHirogawara to Kofu Station Bus Timetable

Reference: [Yamanashi Kotsu]

Photo by Kirill Skorobogatov