Mount Mashu from the First Observatory

Trail description

Mashudake, also called Kamuinupuri, 857 m, is the volcanic peak on the east side of Lake Mashu in Akan-Mashu National Park, eastern Hokkaido. This out-and-back route follows the caldera rim from the First Observatory to the junction for Nishibetsudake and climbs to the summit, 14.5 km with about 580 m of climbing, with views down to the lake. Brown bears live in the area.

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