There are two basic types of forest

There are two basic types of forest on the mountain: Deciduous forest below about 1,000 m elevation and evergreen forest above. The deciduous is further divided into two kinds, deciduous dipterocarp-oak Forest in the driest areas and mixed evergreen deciduous forest along streams and gullies. Common species are trees of the families Dipterocarpaceae, Fagaceae and Magnoliaceae.

Wildlife in the park includes common muntjac, wild boar, macaque and other small mammals. More than 300 species of birds can be seen here, including red junglefowl, pheasants, eagles, parrots, bulbuls and minivets. Rare species of amphibian, the crocodile salamander that can be found in only four localities in Thailand, one in Doi Suthep.