Ryusendo Limestone Cave, Iwaizumi-cho

(140+ reviews on the web)
Cave Nature / Park
Stare at a deep blue of the deepest underground lake in Japan at Ryusendo Limestone Cave, one of the largest subterranean cave systems in the world. With a total confirmed length of 3,361 m (11,913 ft), the cave has at least four lakes. The system is home to a number of bat variations and stalactite limestone. Declared a monument of nature as early as 1934, this cave has reputation of being "the first natural cave science museum in the world." Be sure to pack layers, as the temperatures can be cool inside the cave. Add Ryusendo Limestone Cave to your Iwaizumi-cho travel itinerary, and discover new vacation ideas by using our Iwaizumi-cho trip builder.
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Reviews
TripAdvisor
  • Went here during a sunny summer afternoon. Inside very cool; the stalagmites are not that impressive to my opinion but the water is fantastic. The lakes inside have almost an otherworldly feel.  more »
  • Be sure to bring your camera to catch the beautiful colors and interesting patterns as you descend into this cave, which has easy access for most travelers, young and old.  more »
  • Wonderful cool place ! Natural water tasty to drink ! Really it was a great experience visiting Ryusendo in Iwate JAPAN !  more »
Google
  • The cave itself was cool. However coming from Morioka, the only public transit option was a bus that took 2.25 hours and 2660¥ one-way. It also travels infrequently, so check the schedule. Renting a car might have been better. The cave is somewhat small as far as caves go, you can walk through it in 30-40 min with stopping a lot to take pictures. There is also a second cave that has more of a museum feel which is neat. Both caves have really cool looking formations and underground lakes.
  • Nature at its best. Experienced the cool (literally) limestone caves and the breathtaking view of cave lakes
  • Cave was good but at places where water would drip they had a lot of plastic sheets to keep you dry but I thought they were a huge eye sore. Very nice area around cave as well. Make it part of a road trip and it is worth the drive.
  • This place is very interesting. The cave is large, with a few separate levels. Many small spaces and lots of stairs, but manageable. The cave is lit with many color changing lights that creating a good atmosphere. There are a couple small cafes and a restaurant on the property as well.
  • Cave is very cool and has great history. Signs with proper routes will keep you from getting lost. Just make sure to bring a hoodie, you will get wet!