Lake Tazawa, Akita Prefecture: Sunrise at Japan’s Deepest Lake | : Japan in Video

Lake Tazawa (Tazawa-ko) in Senboku, Akita Prefecture, reaches a depth of 423 meters, making it the deepest lake in Japan. It is not certain how it was formed: Though it has been said to be a volcanic caldera, some think it is a crater formed by the impact of a meteorite. On a clear day, the surface of Lake Tazawa reflects the sky with a brilliant cobalt blue. The lake is also strikingly beautiful at dawn. First the sky brightens in the east,  and then the sun rises from behind the mountains, casting a ripp