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Landmark & Tower · Kannawa

Umi Jigoku (Sea Hell) 海地獄

The biggest and most beautiful of Beppu's Hells: a 98°C cobalt-blue pond steaming in a landscaped garden with giant Amazonian water lilies, a free foot bath and steamed pudding.

Hours8:00-17:00
ClosedOpen daily
PriceCommon ticket, all 7 hells (adult, high school+): ¥2,400
Common ticket (elementary/junior high): ¥1,200
Getting thereUmi Jigoku-mae bus stop (Kamenoi Bus from Beppu Station, about 20 min)
Time needed45 minutes
Best timeOpening time, cool mornings
Address559-1 Kannawa, Beppu, Oita
Websitebeppu-jigoku.com

About

Of the seven Hells of Beppu (jigoku, boiling hot springs for viewing, not bathing), Umi Jigoku is the showpiece. The pond's startling cobalt blue comes from iron sulphate dissolved in water that wells up from about 200 m below at around 98°C, sending clouds of steam across a large garden. Geothermal heat warms greenhouses where giant Victoria water lilies and tropical water lilies grow (flowering May to early November, best in the morning); on three days around Obon in August small children can sit on a giant lily pad. A smaller red pond, a free foot bath, an exhibition room on how hells form and the Gokuraku Manju shop, steaming buns in the hell's vapour since 1954, round it out. Umi Jigoku is designated a national Place of Scenic Beauty and sits at the start of the Kannawa cluster, so most people buy the common ticket here.

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Open in Google Maps · Info checked 2026-10-09

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