This eco-park is situated on both sides of the border of Miyazaki and Oita prefecture, where the contrast of gentle rolling ridges and steep mountain terrain can be found.

From Okue mountain which is popular with advanced climbers, to gorges which reflect the colors of autumn leaves. You can enjoy many different faces of nature depending on the height of the mountain.

Genji fireflies which is a rare sight in modern Japan can be seen here, in an area where coexistence of nature and people is the goal. This is an area where you can get in touch with nature, from advanced climbers to family hikers and walkers alike.