Itoigawa, Niigata / フォッサマグナミュージアム
Fossa Magna Museum
A stone and geology museum in Itoigawa whose six permanent galleries cover jade, the Fossa Magna rift where the Japanese archipelago formed, and natural hazards such as earthquakes and volcanoes.
Last official check
25 Sept 2026
Traveler reports
0
Reports open in Phase 2
Next scheduled check
24 Dec 2026
Decide before you go
A short summary made from the official facts below. Check the rows for details.
- Getting there
- Train / Bus / Car
- Admission
- Paid (see the price below)
- Closing days
- Closures change with the season
Before you go
Only facts we confirmed on official sources are shown. Anything else is marked “Not checked yet”.
- Opening hours
9:00-17:00 (last entry 16:30).
Checked 25 Sept 2026 on the official site- Closed
Closed on Mondays from December to February, on the day after a holiday, and December 28 to January 4 (open if Monday is a holiday, or if the day after a holiday is a weekend).
Checked 25 Sept 2026 on the official site- Admission
Adults 700 yen, children (elementary to high school) 300 yen, preschoolers free (100 yen off for groups of 20+).
Checked 25 Sept 2026 on the official site- Getting there
About 7 minutes by car or by the Miyama Koen Hakubutsukan bus from Itoigawa Station; about 10 minutes by car from Itoigawa IC.
Checked 25 Sept 2026 on the official site- Parking
Car parking available.
Checked 25 Sept 2026 on the official site- Payment
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
- Accessibility
Wheelchair accessible, wheelchairs for loan, accessible toilets; baby-changing area and pushchair loan.
Checked 25 Sept 2026 on the official site
Found wrong or outdated information? Let us know
Address: Itoigawa, Niigata (Japanese address: 新潟県糸魚川市大字一ノ宮1313)
Official site: https://fmm.geo-itoigawa.com/
Location
Smaller pins are other spots nearby.
Nearby spots
Photo: Asturio Cantabrio / Wikimedia Commons, CC BY-SA 4.0 (resized)Hisui (Jade) CoastNiigata3 km away (straight line)
Photo: Saigen Jiro / Wikimedia Commons, CC0 (resized)Oyashirazu Brick TunnelNiigata16 km away (straight line)
Distances are straight-line distances, not travel distances.
Crowds
- Crowd level
Not checked yet — no official source yet, and not enough traveler reports.
- Best time to visit
Not checked yet — no official source yet, and not enough traveler reports.
- Peak time
Not checked yet — no official source yet, and not enough traveler reports.
- Busiest days
Not checked yet — no official source yet, and not enough traveler reports.
- Busiest season
Not checked yet — no official source yet, and not enough traveler reports.
- Latest traveler report
- None yet
Traveler crowd data by time of day appears after 5 traveler reports (0 so far).
You can check typical busy hours in Google Maps ("Popular times" on the place's page). Open this spot in Google Maps
Visiting respectfully
- RulesStone appraisal is only available to visitors holding an appraisal ticket issued in advance.Checked 25 Sept 2026 on the official site
Verification log
- 25 Sept 2026First check · Tourism board · https://niigata-kankou.or.jp/spot/13680Hours, closing days, fees, access, accessibility, description and coordinates read from a tourism organization's site.