The Mizunami Caves are a series of limestone caves located in Mizunami City, Gifu Prefecture, Japan. These caves were formed over millions of years through the erosion of limestone by water. They are known for their impressive stalactites and stalagmites, attracting visitors interested in geology and natural beauty. The caves are part of the Mizunami Caves Park, which offers guided tours to explore the underground formations. The park also features educational displays about the cave's history and the surrounding ecosystem. The Mizunami Caves provide a unique opportunity to experience Japan's natural wonders.