Pai River.

Pai River is the largest and longest river of Mae Hong Son province. Caused by hills and mountains Dan Road, Chai Lao Pai flow in three districts in the same province, Pai - A. Pang Ma Pha - Muang. Before it flows into the Salween River. Each range has a beautiful natural scenery. Then flows down to the south through Muang Mae Hong Son To meet the Salween River (river, still) state in Myanmar  drug is 180 kilometers long, 30 meters wide and seven meters deep around the ground look like gravel In the dry season, about one meter deep water throughout the Pai river rafting can be. Rafting the Pai River.
          Total distance about 50 km Level of difficulty ranges from Class 1-4 rapids during the rainy season may reach 5, which is very difficult and serious water level. Visitors can experience natural beauty and fun to play as any river adventure in the cave waterfall soaking the leaves muddy pond. Jumping cliffs. Amra time equation for the rafting is the month from June to February every year.