During and right after the rainy season the Pai River offers some of the most exciting whitewater rafting. You can choose between one- to three-day packages that can cover 60 kilometers of river with as many as 60 rapids, caverns and gorges as well as lush jungle and hot springs only accessible by river. With the one-day trip, you still get to test yourself in the most challenging section of the river that includes 15 rapids, some level 4, as well as a stop at a hot springs. Before setting on, everyone is instructed in proper rafting techniques as well as safety precautions. (Thai Adventure Rafting, 16 Moo 4, Rangsiyanun Rd., Pai, Mae Hong Son 58130 Tel/Fax: +66 (0) 5369 9111)