Lake ASHI-Noko – this is water "mirror" for sacred Japanese mountain Fuji. Located at the foot of the lake appeared in the crater of a volcano more than 400 thousand years ago, and the form, which is admired by tourists from around the world, has acquired three millennia ago. For his "life" of the lake ASI-Noko acquired its own legends, also survived and real stories, with which it was associated.

So, one of the legends tells that the lake is the habitat of bloodthirsty monsters – a three-headed dragon that was chained at the bottom of the ASI-Noko. The dragon supposedly brings food to the mysterious monk that enters the lake through the beautiful gate-torii placed in the water near the shore.

In 1671 from the lake to the village of Pucara spent a tunnel with a length of almost 1, 3 kilometer to supply water to the fields with rice during the drought. For it had cut through the rock, having obtained permission of the Hakone Shrine, who owned the lake. The construction of the tunnel of Pukara – Yesui was conducted for five years, and the then military ruler Tokugawa Ietsuna suspected the villagers in the spy's intentions and even ordered the execution of a village head. Currently the lake you can admire, to catch fish, ride boats and water skiing, but using it the purest water for water supply are allowed only to local residents.

The diameter of the lake ASI-Noko is about 20 kilometers, the depth is about 45 meters, on its banks grow evergreen pine, the water in the lake does not freeze in the winter and summer stays pretty cool. The lake contains black bass and trout. Along the North-Western shore of the ASI-Noko in the mountains paved highway Ashinoko Skyline Drive length of nearly 12 kilometers, which connects the city of Kojiri and Moto-Hakone. On the highway there are several viewing platforms, with them open as the view of the lake and the views of mount Fuji and Sagami.

On the lake cruising pleasure boats, some of them are stylized pirate ship and the steamboats plying on the Mississippi river in the nineteenth century.