page_title: Mine, Yamaguchi
section_title: Attractions
hierarchical_section_title: Mine, Yamaguchi / Attractions
caption_attribution_description: Entrance to the Akyoshi-do cavern, Yamaguchi Prefecture, Japan
context_page_description: Mine is a city located in Yamaguchi Prefecture, Japan.
  As of May 1, 2016, the city has an estimated population of 25,857 and a population density of 54.70 persons per km². The total area is 472.71 km².
context_section_description: Akiyoshidai Quasi-National Park, which includes the Akiyoshidai (秋吉台, Akiyoshi plateau) and Japan's longest cave, the Akiyoshido (秋芳洞), the latter of which is designated a Special Natural Monument. Akiyoshidai is served by a natural history museum, visitor center, rest house, youth hostel and park headquarters building, and is traversed by a scenic roadway and several walking trails. Events include a fireworks festival in July, a “Karst Walk” in November, and an annual burning off of dry grasses in February called “Yamayaki”.
  Akiyoshido, Akiyoshido (秋芳洞). Towards the southern end of Akiyoshidai is the  Akiyoshido cave, named by Emperor Hirohito on May 30, 1926 when he was still crown prince.  This spacious cave is up to 100 meters wide and has 8.79 kilometers of passages, making it the longest in Japan and one of the longest in Asia.  At the present time an approximately one-kilometer-long section of the cave is open to the public as a sightseeing course, with a walkway and bridge system, entering at the cave's lowest point and exiting via an artificial elevator. This portion of the cave is also well decorated with a variety of large and colorful speleothems.
caption: Akiyoshi-do cave
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