Ryusendo Cave (Iwaizumi Town, Iwate Prefecture)
Overview (History, Features, and Attractions) Ryusendo Cave is a limestone cave located in Iwaizumi Town, Kesen District, Iwate Prefecture. It is a tourist attraction known for its highly transparent underground lake and the mysterious blue color of the water. The multi-layered stalactites, columnar formations, and the beautiful illuminations inside the cave captivate visitors.
