Lake Mashū

Welcome to Lake Mashū, often whispered about as the most beautiful and mysterious lake in all of Japan. Located within the Akan-Mashū National Park in eastern Hokkaido, this is a place of profound silence and startling purity. …

We begin our journey at Observatory No. 1, the most accessible and popular vantage point for viewing the lake. …

As we look toward the center of the lake, our eyes are drawn to Kamuishu Island, also known as the 'Grandmother Island.' Though it looks like a small island, it is actually the very tip of a lava dome that rises 240 meters from…

Observatory No. 3 offers a much more rugged and dramatic view than the first. …

One of the most fascinating aspects of Lake Mashū is what isn't in the water. Because there are no rivers flowing into the lake, there is no runoff from the surrounding forests, which usually carries organic nutrients and…

While not directly on the shores of Lake Mashū, Mount Iō is an inseparable part of the Mashū volcanic complex and our journey today. Known as 'Atosanupuri' in the Ainu language, meaning 'Naked Mountain,' it is an active volcano…

Our final stop in the Mashū vicinity is a hidden gem called 'Kami-no-ko-ike,' or the 'Pond of the Child of God.' This small, enchanting pond is said to be fed by the underground seepage of Lake Mashū. Located deep in the forest,…

As we conclude our tour of Lake Mashū, take one last look at the sapphire water or the shifting curtains of mist. This place is a rarity in our modern world—a landscape that has resisted the intrusion of man and maintained its…