Limestone caves in Iriomote
Nakono Cave Yutsun Cave
Nakano Cave
Otomi First Cave
Otomi First Cave Yutsun Cave
     There are soils of Ryukyu limestone at some part of the island, therefore limestone caves develop in places.  Although the ever known caves are located around human dwelling, there is a great probability that undiscovered caves can exist somewhere. When a typhoon is approaching and we cannot go out anywhere, an explore of a limestone cave is a very suitable play.  As for how to access to each cave, inquire of the Web master by e-mail.  Since there can be some dangerous points in the caves, you should ask a experienced person for a guide.  Further, the summer is a propagative season of bats inhabiting the caves, thus you should avoid to enter the caves as possible as you can. 

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