Gozenzawa Glacier, Glacier in Toyama Prefecture, Japan.
Gozenzawa Glacier is an ice formation on the eastern slope of Mount Oyama in the Tateyama Mountains of Toyama Prefecture. The ice mass covers several hundred meters and forms a visible frozen surface in this mountain region.
Scientists first documented this ice formation in 2009, revealing Japan's first confirmed glacier. The discovery challenged decades of geographical assumptions that classified the nation as glacier-free.
The glacier shifted how Japan understood its own landscapes, as textbooks had long stated that no glaciers existed within the nation.
Access is by designated mountain trails in this alpine zone and requires good footing and appropriate gear. Visitors should prepare for variable mountain weather and changing snow and ice conditions.
A distinctive shaft-like opening runs through the surface and allows researchers to study the internal ice structure. This feature makes the site an important location for understanding glacier movement.
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