Kotaro-yama is a 8,940 ft / 2,725 m mountain peak near Nirasaki, Yamanashi, Japan. Based on peakery data, it ranks as the 37th highest mountain in Japan. The nearest peaks are Kita-dake, Shirane-san, Ina-arakura-dake, Nakashirane-san, Senjoga-dake, and Jizoga-take. See the Kotaro-yama map, 3D fly around, and the Kotaro-yama photos to get a better sense of the mountain.

Kotaro-yama SUMMIT LOG claim the peakery first ascent!

No one has reported climbing or hiking to Kotaro-yama summit on peakery. If you’ve climbed this peak be the first to report it! Share your summit log entry and add Kotaro-yama pictures from your climb below. Include the names of the routes or trails you took to the summit and back.


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8,940 ft / 2,725 m


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Height Rank

#46 in Japan


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Summited by

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