White-Water Rafting in Thailand: Best Rivers & What to Expect

White-water rafting in Thailand is concentrated in the north, where rivers descend from the highlands through jungle gorges before reaching the lowlands. The Pai River near Mae Hong Son is the most commonly rafted — a 3–4 hour section with Grade II–III rapids runs from Pai town downstream, passing through dense jungle with elephant sightings not uncommon. Day trips cost ฿900–1,500 per person from Chiang Mai or Pai. The Mae Taeng River (60 km north of Chiang Mai) is the most exciting option in the north — 2 hours of continuous Grade III–IV rapids through a spectacular gorge section, appropriate for fit adults with no prior experience. Half-day tours from Chiang Mai cost ฿1,200–2,000. The Tully River equivalent in Thailand doesn't exist — this is not New Zealand — but the Mae Taeng gorge section genuinely challenges and exhilarates. The Ping River south of Chiang Mai has easier Grade I–II sections popular for bamboo rafting (traditional style, gentle floating) rather than white-water action. In the south, the Khek River in Phitsanulok province has multi-day rafting expeditions possible through remote jungle sections for experienced groups. Seasonal note: rafting is best July–December when water levels are highest after the rains; April–June rivers can be too low in some sections. Always check with operators about current water levels before booking.