Scenic Place

Art of molten lava flow at the foot of Mt. Asama


Impressive scenery created by molten lava

Scenic site of vast lava flows, said to be one of the world’s three amazing scenes. It is located in Joshin-etsu National Park, and certified as a “Geo-park at the northern foot of Mt. Asama”. It offers magnificent views of solidified lava that flowed from Mt. Asama during the eruption. With low humidity even in summer, the air is fresh. There is a regular bus service from Karuizawa Station.

Alpine plants start to bloom from mid-May. A variety of plants grow in the site

“Oni Bears”, the mascot of Onioshidashien

¥100 off admission *Up to 5 persons at a time. *Cannot be combined with other complimentary tickets or vouchers of this kind. Validity: Until October 31, 2024
本誌提示で入園料100円割引 ※1回につき5名様まで ※他の商品・優待との併用は不可

TEL 0279-86-4141
Address 1053, Kanbara, Tsumagoi-mura, Agatuma-gun, Gunma-ken
Access It is a 40-min ride by regular bus from Karuizawa Station *Check the bus time table.
Parking 750 cars
Opening hours 08:00~17:00 (last admission: 16:30) *Can vary by season and weather
Closed / Holidays No closing day *Can be closed temporarily, depending on weather, unexpected events, or season
Guide of price / Fees Admission: Adults (Junior high school students and older) ¥700, Children (Elementary school students) ¥500, Pre-elementary school children : No charge. Credit cards accepted
Website(Japanese) https://www.princehotels.co.jp/amuse/onioshidashi/