Namtok Phu Fa is the highest waterfall in the Phu Kha National Park with the height of 140 metres, 12 tiers. 3 days 2 nights are the required time for travel to this scenic waterfall. Guiding staff is recommended.

Various sizes of mountain ranges form into a gigantic forest lands; it is said that where there is forest, there is water, and thus, the largest waterfall of the national park, Phu Fa waterfall with the height of 140 metres and the total of 12 tiers. Traveling time to this scenic waterfall is approximately 3 days 2 night due to it location in the deep jungle near Lao border. Guiding staff is mandatory. "