For centuries, residents in central Japan have chronicled a mysterious natural phenomenon in winter. They see its ...

Born from a volcanic eruption around 2,000 years ago, Japan’s mysterious Mashu-ko, or Lake Mashu, located on the island of Hokkaido, is rumoured to be one of the clearest lakes in the world.

Japan's biggest lake: Lake Biwa. It is four million years old, a source of water for 14 million people, and home to over ten aquatic creatures that are only found there.

The lake has been called the “water jug of the Kinki region,” as an invaluable reservoir supplying water to a vast area of western Japan. But the water levels of Japan’s largest freshwater ...

It has not yet been seen since Japan entered the current Reiwa era in 2019. Worried, Miyasaka commented, "The views of Lake Suwa that have been around since long ago are disappearing. The time may ...