Mt Hakkoda

Mt Hakkōda (Japanese: 八甲田山) is a hyakumeizan* that is one of northern Japan's defining landscapes. This is a volcanic mountain range made up of sixteen distinct peaks, each shaped by fire, snow and the long history of the northern Tōhoku highlands. It’s famous for its blazing autumn foliage and the massive snowfalls that transform the mountains into a deep‑winter world. Hakkōda is beautiful, but it is also a mountain range with a story.

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Historically, Hakkōda is known for the tragic 1902 winter military training disaster, when an Imperial Japanese Army unit was caught in a blizzard and suffered heavy casualties. The event left a lasting mark on the region’s identity, reminding visitors of the mountain’s power and the severity of its winters. Even today, the deep snow that is among the heaviest recorded in Japan defines the range, shaping both its ecology and its reputation.

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The topography is varied and unmistakably volcanic. The peaks rise in rounded domes rather than sharp ridges, remnants of ancient eruptions that left behind wide basins, geothermal vents and mineral‑rich soils. Trails weave through wetlands, open plateaus, and dense beech forests before climbing toward the higher summits such as Mts Odake (大岳) and Akakura (赤倉岳). Because the peaks are spread out, hiking in Hakkōda feels like moving through a connected system of small mountains rather than aiming for a single point. In autumn, the beech and rowan forests explode into red and gold, creating one of Japan’s most spectacular foliage displays. In summer, wetlands bloom with alpine flowers, and the high plateaus turn lush and green. It's also the habitat for a large number of black bears. 

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I climbed Hakkoda from the trailhead near the famous Sukayu onsen. An alternative and shorter route uses the ropeway on the other side of the mountain range.

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* 100 famous mountains of Japan

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