Khun Pa-wor National Park is situated in an approximate area of 220 square kilometers or 137,350 rai, covering the areas of Pa Sam-muen National Conserved Forest, Tak Province. The geographical features of the National Park consist of virgin forests, which are the sources of streams and rivers. There are different kinds of wild animals inhabiting in the area of the National Park. At present, the area will be announced as a national park.

Topography
The geographical features of the National Park consist of high mountains (at the altitude of 350-905 meters above the medium sea level), which are the sources of major gullies, including Huai Mae La-mao, Huai Luek, Huai Pa-wor, Huai Mae Gasa, Huai Mae Kid-luang, Huai Pa-sor, Huai Sa-muen Luang, and Huai Mae Ra-mard, flowing into the agricultural areas of Mae-sod District and Mae Ra-mard District.

Climate
The weather at the National Park is cool and breezy throughout the year. The average highest temperature is 25„aC; meanwhile the lowest temperature is 9„aC; and the average rainfall is 1,676 mm/year. Particularly in the rainy season, you can view the sea of fogs covering the areas of the National Park.

Flora and Fauna
There are various kinds of forests within the areas of the National Park, including mixed forests, virgin forests, and dense forests. Major plants include Indian Mahogany, teaks, Dipterocarpus Tuberculatus (Pluang), Lithocarpus Cantleyanus (Kor), Lagerstroemia (Tabaek), Terminalia Chebula, Afzelia Xylocarpa Roxb., ebony, Millettia Pendula (Ka-jaw), Terminalia Arjuna (Rokfa), Xylia Xylocarpa (redwood plants), etc.

Wild animals found in the National Park include Muntiacus Muntjak, wild boars, bears, langur, flying squirrel, gibbons, cobra, King Cobra, rabbits, squirrels, tree shrews, red jungle fowls, golden cats, etc.