Mt Kaya &
Mt Kana

Mt Kaya (Japanese: 茅ヶ岳) and Mt Kana (金ヶ岳) form a rewarding ridge hike in Nirasaki, Yamanashi Prefecture, a route that blends history, rugged terrain and wide mountain views. Mt Kaya is the more famous of the two, known not only as a Yamanashi hyakumeizan* but also as the place where Kyūya Fukada the author of Nihon Hyakumeizan collapsed and died. His memorial stands quietly along the ridge and is still visited more than 50 years after his passing.

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The climb to Mt Kaya begins gently through forest, but the gradient increases steadily. Before long, the trail turns into a steep zig‑zagging ascent that delivers you to the ridge line. After passing Fukada’s memorial, the route becomes rockier, and a short scramble leads to the summit. From the top, the views are excellent: Mt Fuji rising to the south, the South Alps stretching in serrated ridges, and Yatsugatake standing sharply to the north. It’s a satisfying summit, especially early in the season when the foliage is thinner and the sightlines clearer.

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If you still have energy, continuing along the ridge to Mt Kana adds a rugged extension. The terrain becomes more dramatic, with constant ups and downs and narrow sections that demand attention. One of the highlights is Senshi‑iwa, a striking rock formation that towers above the trail. Kana itself is quieter and less visited, but the views remain superb, and the ridge walk has a wild, adventurous feel.

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This hike is possible year‑round, though I prefer it early in the season when visibility is best through the trees. From Mt Kaya, you can complete a loop course by descending directly from the summit, making for a full, varied half day in the mountains. 

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** 100 famous mountains of Yamanashi

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(All information here is based on personal observations and experiences. Check official sources before planning or starting any hikes.)