This mountainous park is home to forests, waterfalls and cliff-top viewpoints.

Khun Khan National Park is located about 50 kilometres (30 mi) west of the city of Chiang Mai in the Samoeng and Mae Chaem districts of Chiang Mai Province.

Pha Sam Na viewpoint is a three-sided cliff situated at an elevation of 1,253 metres (4,110 ft).

Tree species include three-needled pine, Pinus latteri, Malacca tree, Mammea siamensis, Malabar ironwood, Baccaurea ramiflora, Calotropis gigantea, Shorea siamensis, Dipterocarpus intricatus, Dipterocarpus tuberculatus, Dioscorea alata, Xylia xylocarpa and Gmelina arborea.

[2] The park serves as a sanctuary for animals including tiger, wild boar, barking deer, goral, Asiatic wild dog (dhole), porcupine, pangolin, masked palm civet and mongoose.