Grand Canyon Flash Flood Closes Phantom Ranch; 15 Unaccounted For on August 30

A significant flash flood struck Bright Angel Canyon and Phantom Ranch at Grand Canyon National Park on Saturday, August 29, beginning around 2:30 p.m. The National Park Service has evacuated 62 people and is searching for approximately 15 individuals who may be missing or unaccounted for. Nearly all footbridges spanning Bright Angel Creek were destroyed, and the park has closed Phantom Ranch, the North Kaibab Trail, and multiple other facilities until further notice. No injuries have been reported.

What happened during the flood

About half an inch to 1 inch of rain fell within roughly 30 minutes in the steep rocky terrain of Bright Angel Canyon on August 29, according to National Weather Service meteorologist Justin Johndrow. The water ran off instantly, creating a surge that swept large boulders, metal structures, and debris into the Colorado River. Nearly all footbridges spanning Bright Angel Creek were destroyed, eliminating pedestrian access across the creek. The flooding also knocked out the park’s water pipeline, forcing significant water conservation measures.

Evacuations and search efforts

The National Park Service and Arizona Department of Public Safety evacuated 62 people from Phantom Ranch and the lower North Kaibab Trail on August 29 and August 30. Two helicopters searched the North Kaibab Trail and Colorado River on Sunday morning but found no missing people on those flights. Evacuees were transported to the Maswik Lodge Cafeteria on the South Rim, where the American Red Cross is coordinating assistance. The NPS initially reported more than 20 people were missing but later revised that count to approximately 15. The park is asking the public for information on anyone who was in the inner canyon along Bright Angel Creek corridor on August 29.

Park closures and infrastructure damage

Phantom Ranch, Bright Angel Campground, the North Kaibab Trail, and the Black and Silver bridges crossing the Colorado River are closed until further notice with no estimated reopening date. The Colorado River is also closed to river traffic due to metal structures and debris. Grand Canyon National Park staff are continuing to assess damage to trails, bridges, utilities, and other facilities throughout Bright Angel Canyon. The park has implemented water conservation measures including no overnight hotel stays starting Monday and bathroom faucets running only at campgrounds.

Weather threat continues

A flood watch has been issued through the end of Monday, August 30, with showers and thunderstorms expected to develop throughout Sunday afternoon and evening and worsen overnight into Monday. The National Park Service warned that flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Raging killer currents are possible in side canyons and narrow slot canyons, and low-water crossings may be flooded.

Final Thoughts

The Grand Canyon flash flood on August 29 forced the closure of major park facilities and trails with no reopening date set. As search efforts continue for 15 unaccounted individuals, the park faces additional thunderstorm threats through Monday that could worsen conditions.

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