Inazumi Suichu Shonyudo
Also written: 稲積水中鍾乳洞 · 稻澄水下石灰岩洞穴
Japan’s largest underwater limestone cave, formed about 300 million years ago; emerald-green clear water and a mysteriously lit space make it captivating.
An Illustrated Japan / Oita / Famous Views
About this place
Inazumi Underwater Limestone Cave in Mie-machi, Bungo-Ono City claims formation ~300 million years ago Paleozoic Carboniferous, Japan's largest underwater limestone cave length ~1km with ~300m publicly open lit cave. Cave kept 16°C year-round, emerald green clear water underfoot hosts underwater stalactites, quirky helictites and rimstone pools unique to submerged caves. Near back, Blue Palace has countless straw stalactites hanging overhead reflecting in water for mystical space. Discovered during Meiji limestone quarrying and only recently renovated with LED dramatic lighting. Transparency extremely high yet water deep, producing otherworldly silence cool even summer ideal for heat escape. Museum and rest house at entrance, core attraction of Bungo Ono Geo Park of high educational and tourism value. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience. Further walking with local guide deepens understanding of history and geology, increasing travel satisfaction. Enjoy specialty food after viewing for memorable experience.
