[2] It was designated as a Class 1 Protection Forest by the Sabah Forestry Department in 1984.

[3] The reserve is mountainous with some palm oil plantations and farms in the surroundings.

Threats to the reserve forests include fires and encroachment for agriculture.

Other reserve species include Dipterocarpus caudiferus and Parashorea malaanonan.

[4] Barking deer and wild boar also inhabit the reserve.