The park is named for Khao Phanom Bencha mountain and protects an area of virgin rainforest and rare wildlife.

[1] The park's area is 31,325 rai ~ 50 square kilometres (19 sq mi)[2] and reaches its highest point at the 1,397 metres (4,580 ft) peak of Khao Phanom Bencha, part of a mountain range running north to south.

[4] The Khao Phanom Bencha mountain peak is thickly forested and climbable on a multi-day trek.

[1] The park's forest includes such tree species as teak, takian, Dipterocarpus alatus, Lagerstroemia, Magnolia champaca and Parkia speciosa.

[5] Animal species include clouded leopard, Sumatran serow, tapir, black bear and mouse deer.