Nature & geography・Hokkaido

Lake Toya and Mount UsuToya-ko, Usu-zan

Also known as: 洞爺湖・有珠山・Showa-Shinzan

An area recognized as a UNESCO Global Geopark for its landscape of coexistence with an active volcano. Showa-Shinzan, a lava dome that rose from a wheat field during the 1943-45 eruptions of Mount Usu, stands close by, its growth recorded by postmaster Mimatsu Masao.

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