Phu Chi Fah Forest Park is located in the area of the Pa Mae Ing and Pa Mae Ngao National Forest Reserve, Wiang Kan District, Chiang Rai Province. The area also falls within the Forest Conservation Area with total area of approximately 2,500 rais . The area is in the midst of Doi Pa Mohn Mountain range along the Thai-Laos border. The area is 1,200-1,628 meters above average sea level and an average slope all round of approximately 40%. The highest spot is recorded at the observation point. Temperature up on the hills can be quite cool .
There are 3 seasons altogether in this area – summer from March to May, rainy season from June to September and winter from October to February.