Akiyoshidai is Japan's largest karst plateau, located in Mine City, Yamaguchi Prefecture. The unique landscape, formed by rainwater dissolving limestone, creates a mysterious, otherworldly scene that resembles the surface of the moon. It attracts tourists throughout the year. Beneath Akiyoshidai, there are numerous giant caves, including the Akiyoshido Cave, which is designated as a Special Natural Monument. This massive cave, extending over 10 kilometers, is a popular tourist spot. 【Ways to Enjoy Akiyoshidai】 1.Cycling on the Karst Road: Cycling through the vast karst plateau, surrounded by expansive grasslands and scattered limestone formations, is a refreshing experience. 2.Exploring Akiyoshido Cave: Akiyoshido Cave is a subterranean world that will leave you in awe of nature's artistry. 3.Hiking: Enjoy the great outdoors by hiking through the vast grasslands.