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Umi Jigoku
Attraction
4.2 (10103 reviews)
Small park centered on a cobalt-blue geothermal pool cloaked in vapors, with a footbath & cafe.
559-1 Kannawa, Beppu, Oita 874-0045, Japan
+81 977-66-0121
Did You Know?
Meaning of the Name
Umi Jigoku translates to 'Sea Hell' due to its striking cobalt blue color, which gives the impression of a vast, boiling ocean.
Boiling Hot Water
The pond's water temperature is a scorching 98 degrees Celsius (208 degrees Fahrenheit), making it too hot for any living creature to survive in it.
Distinctive Color
The vivid blue color of Umi Jigoku is not due to algae but rather to the presence of iron sulfate in the water.
Years of Activity
Umi Jigoku is one of the oldest and most active of Beppu's 'Hells,' with geothermal activity believed to have been ongoing for over 1,200 years.
Highlights from Reviews
• stunning blue water
The vibrant, surreal cobalt-blue color of the thermal water is consistently highlighted as visually stunning and breathtaking.
• beautiful gardens
The surrounding landscaped gardens, water lilies, and flowers (especially cherry blossoms) are well-maintained and add to the scenic beauty.
• relaxing foot bath
The free foot bath provides a pleasant way to relax and soothe tired legs after exploring the grounds.
• spacious layout
Umi Jigoku is noted for being the biggest and most spacious of the hells, offering a relaxing and uncrowded experience.
• good value
The ¥500 admission fee is considered reasonable and offers good value for the unique scenery and geothermal features.
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