Khao Chamo-Khao Wong National Park is a national park located in Rayong Province and Chanthaburi Province, in the central and eastern regions of Thailand. It covers 84 sq km and was designated a national park in 1975.
Khao Chamo-Khao Wong National Park is covered with a tropical broad-leaved evergreen forest up to an elevation of 1,000 meters. The best time to visit it is during the dry season, between November to February, when it is also cooler.
Among the wildlife at Khao Chamo-Khao Wong National Park includes wild boar, bear, elephant, gibbons and banded langur. The national park also has 53 species of birds including the great hornbill.