Mt. Naka (a.k.a Nakadake or Naka-Dake Koko) is situated on Kyushu (the most southern main-island of Japan) Mt. Naka is one of the five peaks which make the central cone group of Mt. Aso.
Mt. Naka occasionaly erupts and discharges smoke most of the time what makes the photos below a very unique glimpse of the little lake which sometimes appers. The crater of Mt. Naka gathers rain water thus creating this little lake(the little lake is named yudamari in Japanese).
For more information visit Wikipedia - Mount Aso
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Next Photo by Kate Pedley