[2] The core area of the National Park is formed by the Okudake mountains.

[3] A 1,219-hectare (3,010-acre) area with the oldest cedar trees, Yakusugi, whose age is estimated to be more than 2000 years, is not part of the national park.

[7] Parts of the national park, as well as the Yakushima Natural Reserve (107.47 km²), were declared by UNESCO World Heritage in 1993.

The national park has its own subspecies of the Japanese macaque (Macaca fuscata).

The beach of Nagata-hama is visited by Hawksbill sea turtles to lay eggs.