“Ryusendo Limestone Cave” in Iwate prefecture is the world’s leading underground lake called Dragon Blue. It is counted as one of Japan’s three major cave. It has been drawing attention recently as “Lovers’ holy land”.
“Ryusendo Limestone Cave” is located in Iwaizumi-cho, about 2 hours by car from Morioka city in the northeastern part of Iwate Prefecture. The length of the inside of the cave is 3600 meters just now known. However, in estimation it is a huge cave that is said to be more than 5000 meters in all.
“Ryusendo” is a limestone cave prepared for sightseeing in the 1960s. Such “Ryusendo” was also renovated in 2010 and it became easier to sightsee by adopting LED lighting inside the cave.
“Ryusendo” was closed due to heavy rain caused by the typhoon August 2016, suffering great damage. As a result of hard restoration work, business started again in March, 2017. Dragon Blue ‘s lake, which was temporarily cloudy, regained its former transparency.
Speaking of the sights of “Ryusendo Limestone Cave” is its beauty of form and its world-class transparency. As soon as you enter the entrance there is an impressive “Hyakken-roka corridor” that lasts long and stretches that the dragon passed through. If you further advance the cave of a more complicated structure in the depth, the stunning stalagmite shaping appears one after another. After passing a large space called “Moon Palace” as if it is in the moon world, it will finally reach the main underground lake. The underground lake of “Ryusendo” is one of the most transparent in the world, and its sight is striking. The first basement lake is 35 meters in depth, the second basement lake is 38 meters in depth, and the third underground lake, which is the innermost part of the sightseeing course, is at depth of 98 meters. The transparency of this third underground lake seems to be 45 meters, so if you look into it you will be amazed by the world of its abyss. The underground lake is beautifully illuminated by LED lighting, and it shows a beautiful figure like a dragon blue.
Ryusendo is a stalactite cave in Iwaizumi-cho, Iwate. It is also called the alias “Iwaizumi Wakkutsu (spring cave)”.
With Akiyoshido in Mine-shi, Yamaguchi and Ryugado in Kami-shi, Kochi, it is considered to be one of “the Japan’s three biggest stalactite cave”.
The very beautiful and highly transparent underground lake is in the limestone cave. As the water of the underground lake of Ryusendo, it is chosen by one of 100 selections of famous clear water in 1985.
The vertical interval of Ryusendo is about 249 meters, and is proud of the 5th place in the cave in Japan. The total extension is checked to approximately 3,631 meters. But the opinion which there is more than 5km of its actual full length. An investigation is not accomplished after a potholer caused a diving accident in Ryusendo in 1968.
In the cave, there are seven underground lake at all including No.3 underground lake with a depth of 98 meters, No.4 underground lake that is not less than 120 meters in depth, etc.
The water of Ryusendo is proud of leading transparency in the world.
The state to glisten blue of underground lake in Ryusendo is just an unparalleled view. Since river bed water begins to spring from the deep place of the underground of Ryusendo to underground lake, it is thought that high transparency is maintained.
The underground lake of Ryusendo is bright blue, and an unforgettable impression will be got if you see it once. It is also a dating spot famous also as “the sacred place for lovers”. How about visiting the beautiful blue world once with couples?
|Name:||Ryusendo Limestone Cave|
|Address:||Iwaizumi 1 Shimoheigun Iwaizumicho, Iwate 027-0501 Japan|
|Access:||Sanrikutetsudo Kita-Riasu-sen Line “Iwaizumi-Omoto-eki Station” (25 minutes by car)|
|Price/Charge:||1,000 yen (Adult)
500 yen (Junior High School Students or Under)
Please refer the official web page.