Mae-puem National Park is situated in the areas of Chiang Rai Province and Phayao Province, covering an approximately area of 356 square kilometers or 222,500 rai. The National Park can be divided into 2 sections, including:
Section 1 of the National Park is situated in the area of Doi-pui National Conserved Forest, Muang District, Chiang Rai Province, within the area of 67,500 rai;
Section 2 of the National Park is situated in the areas of Mae-puem National Conserved Forest and Mae-pung Forest, covering Parn District and Pa-daeng District of Chiang Rai Province; and Mae-jai District and Muang District of Phayao Province; Mae-puem National Conserved Forest and Dong Pra-doo Forest in Mae-jai District and Muang District of Phayao Province; and Mae-Ing National Conserved Forest in Phu Kamyao Sub-district of Phayao Province, within an area of 248 square kilometers or 155,000 rai.
Approximately 220 square kilometers or 137,431 rai of the areas of the National Park are situated in Chiang Rai Province; and approximately 136 square kilometers or 85,069 rai of the areas of the National Park are situated in Phayao Province. At present, Mae-puem National Park is being established as a national park.
Section 1 The geographical features of the National Park consist of high mountains and few areas on the top of mountains, which are the sources of Mae-kaew River consisting of beautiful reefs and the flowing water throughout the year. The National Park slopes towards the east and the west of the area. And the highest mountaintop is situated in the north of the National Park.
Section 2 The geographical features of the National Park consist of high mountains, extending southwards. The National Park slopes towards the east and the west of the area, and having flatlands on the mountain ridges. The area of Section 2 is approximately 4 kilometers wide and being the source of Mae-puem Gully with the flowing water throughout the year. And the highest mountaintop is situated in the north of the National Park.
Since the area of the National Park is affected by the southwestern monsoon in the rainy season and affected by the northeastern monsoon in winter, the weather at the National Park is considerably cool, with the average temperature of 25°C, and the lowest temperature of 9-12°C in December. Normally, there are heavy rains during May-October. And the average rainfall within the area of the National Park is approximately 1,550 mm/year.
There are 4 different kinds of forests within the areas of the National Park, including arid, evergreen forests, mixed forests, timber forests, and pinery. Major plants include teak, Xylia Xylocarpa (redwood plants), Leguminosae (Pradoo), Afzelia Xylocarpa Roxb., Dalbergia Oliveri Gamble (Ching Chan), timbers, Shorea Siamensis (Rang), Dipterocarpus Intricatus (Hiang), Pinus Merkusii Jungh (two-leaf pines), Lithocarpus Cantleyanus (Kor), etc. Due to the varieties of plants, there are more than 40 kinds of birds and other wild animals such as Muntiacus Muntjak, wild boars, tigers,