Fuji or Fujiyama, also Fuji-san, dormant volcano of Japan southern Honshu Island, near Tokyo. Fuji, the highest mountain in Japanand rises to a height of 3776 m above sea level, with the apex broken by a cone-shaped crater 610 m in diameter. The southern slopes extend to the shore of Suruga Bay, and the isolated peak can be seen from many of the outlying prefectures. The mountain is part of Fuji-Hakone-Izu National Park, the most popular vacation area in Japan. According to legend, Fuji arose from the plain during a single night in 286 BC. Geologically the mountain is much older than the legend asserts. The most recent recorded eruption of Fuji lasted from November 24, 1707, until January 22, 1708.