Mitsubishikojibara Buried Forest Park
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You can visit the giant tree forest preserved underground by the Sanbetsu Mountain eruption about 4,000 years ago in an underground exhibition as it was excavated.
Location & access
58-2 Tonegi-ro, Sanbe-cho, Ota City
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Caravan: Prayer on the Sand — Yuma Tanigawa Exhibition
〜 09:00〜17:00
Nima Sand Museum
A 35th-anniversary exhibition of balloon artist Yuma Tanigawa's work using uninflated balloons. Last admission 16:30. Closed Wednesdays, or the next weekday when Wednesday is a holiday.
Glass Christmas Wreath Workshop
〜 09:00〜15:00
Fureai Exchange Hall, Nima Sand Museum Annex
November glass-wreath workshop, 09:00–15:00, no booking. Firing requires later collection or paid delivery; no same-day take-home.
Onimura Mine Geo Tour — November 14
Meet at JR Shizuma Station; Onimura Mine area
Meet at 09:00 for three guided mine/cycling routes. Free bikes require booking. Advanced/intermediate routes need long sleeves, trousers, boots and a hat. Finish unlisted.