Inazumi Underwater Cave

Inazumi Suichu Shonyudo

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Discover Japan's longest underwater cave, formed over 300 million years! The breathtaking, surreal scenery of this submerged cave is truly awe-inspiring.

Historic Sites
World Heritage
Scenic Views

HighlightsJapan's Longest Cave
Submerged Cave
Underwater Stalactites
Coral Stones
Surreal Scenery

Basic Information

Address: 300 Nakatsuuru, Mie-machi, Bungono-Ono City, Oita Prefecture Search for tourist attractions in Oita

Access: From Oita: Take National Route 10 from Oita City to Inukai-machi, then switch to National Route 326 to Mie-machi. The cave is 15km from Mie-machi. Travel time is approximately 1 hour. From Nobeoka: Take National Route 326 from Nobeoka City to Mie-machi. Turn left at the Ichiku Market intersection onto Route 502, and the cave is 13km from there. Travel time is approximately 1 hour. *If using a car navigation system, be aware that it may guide you onto a steep mountain road after passing the Umetsu roadside station. It's recommended to continue on Route 326 to Mie-machi. Show route

Op.Hours: 9:00 AM to 5:00 PM

Cld.Days: No days off

Fee: Adult: ¥1,600 Child: ¥800

INFO: ・The cave maintains a cool 16℃ (60.8℉). Please dress accordingly. ・Wear comfortable shoes.

HP: http://www.inazumi.com/

Overview

Inazumi Underwater Cave, located in Bungono-Ono City, Oita Prefecture, is renowned as Japan's longest cave. Formed 300 million years ago, a massive eruption of Mount Aso 300,000 years ago submerged the cave, creating its unique landscape. Inside, you'll find submerged stalactites, coral stones, a bell hall, helictites, and various other cave formations. The underwater stalactites, formed while submerged, are a rare sight not found in terrestrial caves. The cave is also illuminated with enchanting lights, creating a mystical atmosphere. Inazumi Underwater Cave is a miraculous space sculpted by the power of nature. The surreal beauty of this submerged cave captivates visitors. You can even experience cave diving and immerse yourself in the magical underwater world. Visit Inazumi Underwater Cave and experience the vast history of the Earth and the power of nature.

Inazumi Underwater Cave

Highlights

Basic Information

Overview

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