* Hokkaido Travel Tips的部落格

*Hokkaido Travel Tips’ Blog
We compile information on “0 yen tourist spots” and “must-see paid spots with extra benefits” and then keep them in our blog as archives for your convenience. We also introduce the food of Hokkaido and interesting souvenirs to take home.



毬藻 / Marimo


Marimo (Lake Ball or Moss Ball in English) is a spherical green algae found in fresh water. While they can be found all over the world, those found in Lake Alan are special on account of their size. Some in Lake Akan grow to more than 30 centimeters in diameter, which is very unique. As such, marimo in Lake Akan has been designated as Special National Treasures of Japan. There are several factors in the forming of Marimo: the geographical shape of the lake bed, its depth, and the predominant direction of wind blowing from mountains surrounding the lake.

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