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Today's RYUSENDO
Update date：2024/04/19
Open
Opening hours: 8:30am~ 5pm (Last entry to the cave).
Open all year round. (May be closed due to rising water levels caused by rain etc.)
Daily updates on Ryusendo Cave are posted on SNS (Facebook, Instagram and Twitter), please follow us.
There is a lot of water drop falling from the ceiling in the cave, your face and clothes may get wet, so it is helpful to wear a rain coat or a hoodie, and bring a towel or wear a hat.
To prevent the spread of Covid-19 infectious diseases, please wear a mask when entering the cave and take your temperature at the entrance.
The temperature in the cave is around 10 degrees Celsius all year round. It is recommended to wear a jacket or water-repellent clothing. Unfortunately, we are not available to rent jacket or raincoat from the office currently.
Pets are not allowed in the cave and we cannot take care of your pet in the office.
Virtual Reality 
A Blue World Opening up Deep Inside the Ryusendo Cave.
Ryusen-do Cave is known as one of Japan's three greatest limestone caves and has been designated, together with bats living in the cave, as a national natural treasure.
The total length of the Cave, as far as is known is 4,088 m, of which 700 m is open to the public.
So far, eight underground lakes have been found, of which three are open to the public.
Exploration continues to this day and there is still much remaining to be investigated. The Cave is thought to extend to a total length of 5,000 m or more.
Stalactites are nature's work of art created over countless ages.
The underground lakes have brilliant blue water that is amongst the most transparent in the world.
You can be sure that even after one viewing of Ryusendo Cave, you will be left with a life-long memory.
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