The height above sea level is 305 m, the depth 93.5 meters, the deepest in Japan as the crater lake.

The lake is encircled by forests, and there is a park called Miike Yacho(Birds) no Mori and a camp site.

The lake was created by a crater resulting from a magma vapor eruption about 4200 years ago.

Seiku shonin, a holy priest who was said to build Kirishima Higashi Shrine trained himself homa.

This Miyazaki Prefecture location article is a stub.