Mt. Biei and Tokachi

Mt. Tokachi is a large and active volcano in Daisetsuzan National Park, it's part of the Hyakumeizan and is often hiked as a loop trail that includes Mt. Biei. Mt. Biei is a neighbouring peak and a highly recommended inclusion for the Mt. Tokachi hike because this is where the most enjoyable terrain and the most stunning views are found. However, if you are short on time, you can do either mountain as an out-and-back day hike which will take about 6 hours.

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The terrain for Mt. Biei includes a lot of variety such as mellow forest sections, a river crossing, a ravine with ropes & ladders plus small icebergs, and a steep trail with rocks and tree roots. Mt. Tokachi is an impressive alien landscape of volcanic terrain, although the trail itself can be quite monotonous. The ridgeline between the two mountains is an enjoyable transition with gorgeous views.

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Another popular attraction is the free and natural open-air onsen, located close to the trailhead here.

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It's worth noting that wind on these mountains can be very strong even on sunny days, and there are some sections where the volcanic gas can mildly affect your breathing. Mt. Tokachi is an active volcano, it may be closed if there is an increase in volcanic activity. It had major eruptions in 1926 and 1962, with a recent but somewhat mild eruption in 2004.