Fossa Magna Museum (Itoigawa)
Open by month
Partly closed in January: Closed Mondays Dec-Feb and Dec 28 - Jan 4. New Year (Dec 29 – Jan 3): closed.
Partly closed in February: Closed Mondays Dec-Feb and Dec 28 - Jan 4.
Open in March. No seasonal closure recorded.
Open in April. No seasonal closure recorded.
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.
Open in November. No seasonal closure recorded.
Partly closed in December: Closed Mondays Dec-Feb and Dec 28 - Jan 4. New Year (Dec 29 – Jan 3): closed.
Checked against the official site on 2026-10-12.
A geology museum of the Itoigawa Geopark explaining the Fossa Magna rift that split Japan, with a large collection of jade and other minerals.
Itoigawa UNESCO Global Geopark
Nearby
- Oyashirazu Cliffs ≈ 40 min by car
- Sasagamine Highland ≈ 1 h by car
- Hisui (Jade) Coast ≈ 1 h by car
- Naena Falls ≈ 1 h 10 min by car
- Asahi Funakawa “Spring Quartet” ≈ 1 h 10 min by car
Travel times are rough estimates by car.
- Closed or limited
- Closed Mondays Dec-Feb and Dec 28 - Jan 4
- Getting there
- About 7 min by local bus (Miyama Koen Hakubutsukan Line) or car from Itoigawa Station
- Fee
- Adults ¥700, children ¥300
- Good to know
- 9:00-17:00; closed Mondays Dec-Feb, the day after holidays, and Dec 28 - Jan 4
- Time needed
- 1 h 30 min
Checked against the official Japanese website on 2026-10-12. Report outdated info