Flash flood at Mae Sa Waterfall sweeps tourists downstream, leaving minor injuries

Key points

• The incident occurred on August 15, 2026, at Mae Sa Waterfall within Doi Suthep-Pui National Park in Chiang Mai, Thailand.
• Tourists were standing on rocks in the water when a flash flood suddenly struck, sweeping some downstream.
• Video footage shows tourists struggling against strong currents, with some clinging to each other for support.
• Park rangers rescued the tourists, who reportedly suffered only minor scratches and received first aid.
• Access to Mae Sa Waterfall remained restricted following the incident.
• A witness, Arttie Martin, shared the video to warn other travelers about the dangers of visiting waterfalls during the rainy season.

Background

This incident occurred during Thailand's rainy season, a period when flash floods are more likely. Our archive notes that the site remained closed after the event, and authorities warned of ongoing heavy rainfall. The event is part of a broader pattern of weather-related hazards, including recent flash floods in the Midwest and tropical storm impacts in Hawaii, highlighting the global risks of extreme weather events.

How outlets are covering it

Fox News and The Daily Beast both reported on the incident, emphasizing the suddenness of the flood and the tourists' struggle to stay afloat. Fox News highlighted the video footage and the witness's warning, while The Daily Beast noted that the tourists were taking selfies on a rock when the water rose. Khaosod English reported on the flash flood but provided limited details. All sources agree that the tourists were rescued by park rangers and suffered only minor injuries. The Daily Beast added that local police had warned the tourists to leave the area shortly before the flood, a detail not mentioned by Fox News or Khaosod English.

Why it matters

The incident underscores the risks of visiting natural attractions during the rainy season, particularly in regions prone to flash floods. It highlights the importance of heeding safety warnings and monitoring water conditions, as conditions can change rapidly. The event also serves as a reminder of the potential dangers of social media-driven tourism, where visitors may prioritize photos over safety.

What to watch

Authorities are expected to continue monitoring weather conditions in the region, and access to Mae Sa Waterfall may remain restricted for some time. Travelers are advised to exercise caution when visiting waterfalls or other natural attractions during the rainy season, and to follow instructions from park staff.