Wayfinder Atlas

Mt. Chokai (Hokodate)

In Japanese: 鳥海山(鉾立)
Open by month

Closed in January. New Year (Dec 29 – Jan 3): closed.

Closed in February.

Closed in March.

Partly closed in April: some days or parts are closed — see the official site.

Open in May. No seasonal closure recorded.

Open in June. No seasonal closure recorded.

Open in July. No seasonal closure recorded.

Open in August. No seasonal closure recorded.

Open in September. No seasonal closure recorded.

Open in October. No seasonal closure recorded.

Partly closed in November: some days or parts are closed — see the official site.

Closed in December. New Year (Dec 29 – Jan 3): closed.

Checked against the official site on 2026-10-15.

Mt. Chokai (Hokodate)
Photo: kyohei ito / CC BY-SA 2.0, resized

A 2,236 m volcano on the Akita–Yamagata border, nicknamed 'Dewa Fuji' and rising straight from the Sea of Japan. The Hokodate observatory at the fifth station looks over the sea and the V-shaped Naso Valley.

National Historic Site (Mt. Chokai); Chokaisan & Tobishima Geopark

Nearby

Travel times are rough estimates by car.

Plan by month in the app →

Getting there
About 35 min by car from JR Kisakata Sta. via the Chokai Blue Line (reservation-only climbers' bus on some weekends)
Easier with a tour or car
Good to know
Chokai Blue Line open mid/late Apr to early Nov, closed at night (17:00–8:00) in spring and late autumn. Summit about 4.5 hrs on foot from Hokodate
Time needed
2 h

Checked against the official Japanese website on 2026-10-15. Report outdated info