is in Tambon Mo Champae about 17 kilometres from the provincial seat on Route 1095 to Pai district with a left turn at Ban Rak Thai village. The waterfall is a further twenty kilometres from the village. It is a large fall with its water source in Myanmar. Pha Sua runs full during the late rainy season (August-September).
Another five kilometres further on along the path to high hill are the hilltribe village of Na Pa Paek and Mae Or on the Thai-Burmese border.