The overlooked corners inside

• Hasshinpo (The Eight Peaks)

  Hasshinpo is the collective name for the eight main peaks ringing the crater rim at Mt. Fuji's summit, and forms part of the "summit cluster of sacred sites" within the World Heritage property "Fujisan, Sacred Place and Source of Artistic Inspiration." Historically the peaks were also called the "Eight Peaks of Fuji" or the "Eight Petals" (hachiyo), names rooted in the Buddhist image of the eight-petalled lotus. In many paintings of Mt. Fuji, the bumps along the summit are these very peaks.

  Sources: ja.wikipedia.org

• Mt. Omuro

  Mt. Omuro stands in Motosu, Fujikawaguchiko, Yamanashi Prefecture — a parasitic cone on Mt. Fuji's northwest flank, rising to 1,468 meters. Because it sits on Fuji's gentle lower slopes, it looks from a distance like a freestanding peak. A crater depression marks its summit, and scattered around it are several wind caves, including the Motosu, Omuro, and Kanza lava caves. The area is designated a wildlife protection zone and a special protection area of the national park, so collecting insects or wild plants is prohibited.

  Sources: ja.wikipedia.org

• Osawa Kuzure (The Great Collapse)

  Osawa Kuzure is a vast erosion gully on Mt. Fuji's western face, up to 500 meters wide and 150 meters deep, running from below the summit crater down to roughly 2,200 meters elevation. The gully is still widening: about 275 tons of rock and earth crumble away each day, the equivalent of 28 ten-ton dump trucks. Mt. Fuji has more than 800 radial valleys and erosion gullies, but Osawa Kuzure — carved into the mountain's steepest western slope — is by far the largest collapse feature.

  Sources: ja.wikipedia.org

• Mt. Hoei

  Mt. Hoei is the largest of Mt. Fuji's parasitic cones, born in the great Hoei eruption of 1707 (Hoei 4) and rising to 2,693 meters. That eruption was Mt. Fuji's most recent, making Mt. Hoei its youngest side cone. The name comes from the Japanese era name "Hoei." You need not reach the summit: even a walk from the Fujinomiya fifth station to the Hoei crater conveys the mountain's scale.

  Sources: ja.wikipedia.org

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