Khao Laem National Park is a park of about 1,500 square kilometers (370,658 acres) in Western Thailand, located near Myanmar in the northern area of the Tenasserim Hills, Kanchanaburi Province.

The park, which is adjacent to the Thungyai Naresuan Wildlife Sanctuary, surrounds the Khao Laem Reservoir, located about 340 km northwest of Bangkok.

Prominent mammalian fauna in the area includes endemic species such as Asiatic black bear, elephant, several species of deer, dhole, gaur, gibbons, langurs, leopard, macaques, tiger, water buffalo and wild boar, to name a few.

[4] The area of the park is 935,584 rai ~ 1,497 square kilometres (578 sq mi)[5] with steeply limestone mountain run on north-south axis.

[6] The area is in a tropical climate, influenced by monsoons, southern winds and the Andaman Sea.