A sudden flash flood at Mae Sa Waterfall in Chiang Mai, Thailand, swept a tourist downstream on August 15, 2026. The incident occurred around 3:00 PM while visitors were swimming at the popular waterfall location. Park officials and other tourists immediately initiated a rescue effort. Details regarding the tourist's condition and the success of the rescue are currently unavailable. The waterfall is located in Mae Rim district and falls under the jurisdiction of Doi […]. This event highlights the dangers of flash floods, particularly during the rainy season in Thailand. Authorities are likely to review safety measures at the site following this incident.