Mt. Asama Magma Stone Park
Lava formed this work of art when Mt. Asama-yama erupted in 1783. Its name comes from the impressions of the people of the time, who said it looked like a devil had turned violent in the crater and pushed out the rocks. Enjoy the impressive panoramic site created by mother nature.
- Location: 1053 Kanbara, Tsumagoi-mura, Agatsuma-gun, Gunma
- Tel：+81-279-86-4141 （Onioshidashi Park）
- Open: 8:00 AM - 5:00 PM (Last entrance: 4:30 PM) *Opening hours may change depending on seasons
- ▼Parking: Free (750 cars and 35 buses)
▼Closed: Open 365 days
・ Individuals: 650 yen for junior high school students and older, 450 yen for elementary school students
・ Groups (15-50 persons) : 550 yen for junior high school students and older, 350 yen for elementary school students
・ Groups (over 51 persons) : 450 yen for junior high school students and older, 250 yen for elementary school students
・ Free for children under elementary school age
* Admission fee may change depending on seasons.
- ・ About 30 minutes by bus from Manza-Kazawaguchi Station on JR Agatsuma Line
・ About 45 minutes by car from Usui-Karuizawa IC of Joshin-Etsu Expressway via Naka-Karuizawa and Onioshi Highway
・ About 50 minutes by car from Komoro IC of Joshin-Etsu Expressway via Naka-Karuizawa and Onioshi Highway
※Onioshi Highway is a toll road.
Visitor experiences* The information below is quoted from that of TripAdvisor.
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