2026 Grand Canyon flood

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On 29 August 2026, compound climate extremes and heavy rainfall caused a major flash flood that surged through Bright Angel Creek at Grand Canyon National Park in Arizona, United States. It is the national park's biggest flood since 1966. The flood resulted in the deaths of 3 hikers, while 82 were rescued and evacuated. Floodwaters caused widespread destruction to park infrastructure, landscape, and the Transcanyon Waterline, triggering Stage 4 water restrictions across the South Rim.

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