Tham Sakoen National Park is about 249.90 square kilometres. It takes place in Song Kwae(Nan), Chiang Kham County(Phayao), and Pong County(Phayao).
In 1996, a forestry scholar named Mr.Wittaya Hongwiangchan explored the area of the national park. He found that the area was surrounded with plentiful natural resources, including river resource. He though that the area was perfect for being a national park. Therefore, he made a report and sent it to Royal Forest Department.
The geographical features of the National Park consist of high mountains, extending northwards in the shape of T. The altitude of the National Park is approximately 300-1,752 meters above the medium sea level. Doi-Ji is the highest mountaintop (1,752 meters above the medium sea level). The National Park is the source of 3 basins including Upper Yom River Basin, Upper Yao River Basin, and Lao Basin, which are the sources of main rivers of the country, i.e., Yom River and Nan River, being used for agricultural activities of villagers on both sides of the rivers.
The weather at the National Park is affected by the tropical monsoons, i.e., it is affected by the southwestern monsoon in the rainy season, and by the northeastern monsoon in winter. The weather at the National Park can be divided into 3 seasons, including summer (March-April), the rainy season (May-October), and winter (November-February). The average highest temperature is 40.9aC; the average lowest temperature is 8.1aC; and the average rainfall is 1,211 mm/year.
Flora and Fauna
There are various kinds of forests within the areas of the National Park, including virgin forests, tropical evergreen forests, arid evergreen forests, and mixed forests.
Most of wild animals found in the National Park are small/medium-sized mammals, reptiles, and poultry including tigers, goral, Muntiacus Muntjak, wild boars, squirrels, tree shrews, Asiatic wild dogs, hawks, Gracula Religiosa, turtle doves, and other kinds of birds.