At an altitude of 1626 meters, the mountain of Phou Fa boasts one of region' s most scenic sites and also lends an alpine feel to the area surrounding this hill station. According to the legend , a man named SansiOnsa led over a thousand families of immigrants from Tibet, Myanmar and Chiang Mai, Golden Triangle to settle in Vieng Phou Kha (Luang Namtha Province) and later upward to Nam Ou river reaching Bhak Long on the banks of Bhak Long river about 6-7 generations ago. On arrival, they found a densly forested region which was considered an ideal place for them to settle and establish a new home.
Covered by densely tropical forest, the mountain of Phou Fa is decorated with plenty of colourfull flowers, especially in cool season, some of which are Dok Thong, Dok Gnui, Dok Khai, Dok Bhik, Dok Ban and so on. The mountain range is also home to many wild animals such as wild fiwls, Sambar deers, Barking deers, javans tigers, bears and different species of birds. The unforgettable sounding in the forest is the song of wild reindeer. The echo explains that when it rains, reindeer calls for the sun, and when it is sunny, reindeer calls again for the rain.
The peak of Phou Fa mountain covers an area of about 300 square meters, which has been a strategic position during the recent war. In 1999, local villagers constructed a path with 431 steps, up to the peak of the mountain making it become a symbol and a definite tourist attraction of Phong Saly.