Fossa Magna Museum

  • Discover the Wonder of Jade
  • Area's Largest Geological Collection
  • Discover History at Fossil Valley

Fossa Magna Museum

Itoigawa UNESCO Global Geopark’s Information Center. Museum of Jade and the Fossa Magna.
Opened in 1994 in Itoigawa’s beautiful Miyama Park, the Fossa Magna Museum tells the story of the birth of our planet and the Japanese Islands through mineral samples collected throughout Itoigawa and features exhibits on Itoigawa’s jade, limestone, the Fossa Magna, Mt. Yakeyama and more. In March 2015 the museum was reopened after extensive renovations. Visit us and discover Itoigawa’s exciting Geological Story, over 500 million years in the making!

●Fossa Magna Museum
・General (18 and older): 500 yen
・Under 18: Free

●Joint Admission to Chojagahara Archaeological Museum (5 min walk from Fossa Magna Museum)
・General (18 and older): 600 yen
・Under 18: Free

※100 yen discount to groups of 20 or more
※Free admission for guests with disabilities

●Fossil Valley Activity
・300 yen for 2 hours
・Includes equipment rental
・Limit of five fossils per person
・Closed in Winter Season

For more information, visit the museum’s homepage at

Address1313 Ichinomiya, Itoigawa (In Miyama Park)
Contact Info025-553-1880
Business Hours9:00 a.m. - 5:00 p.m. (Last Entry 4:30 p.m.)
Days ClosedClosed Dec 28 - Jan 4 / Closed Mon and Days after Public Holidays during Winter Months (Dec - Feb)
Parking & Transit InfoParking Available / 10 min drive from Itoigawa Station / Hourly Shuttle Bus Available from Itoigawa Station