At least 20 missing and dozens evacuated after major Grand Canyon flash flood

A flash flood in the Grand Canyon swept away footbridges, dragged large rocks, metal structures and other debris into the Colorado River, and left at least 20 people missing or unaccounted for.

The flood struck Bright Angel Creek on Saturday afternoon. The torrents widened the creek channel and created what appeared to be a new rapid in the river. The National Park Service asked anyone with information about hikers or campers in the area to come forward.

More than 60 people were evacuated from Phantom Ranch, a popular stop with a historic canteen and dormitories. Further evacuations were planned, while Bright Angel Campground, Phantom Ranch and parts of the North Kaibab Trail remained closed as officials assessed the damage. Colorado River rafting trips were also suspended. No injuries had been reported.

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This is a reminder of how dynamic and active the Grand Canyon landscape is.

Erica Viola said she was at Bright Angel Campground when rain began on Saturday afternoon. She and about 50 other hikers watched the creek rise as debris, including what appeared to be a cabin, moved through the water. A helicopter carried the group to safety, ending their trip two days early.

Justin Johndrow, a National Weather Service meteorologist in Flagstaff, said between 1 and 2.5 centimeters of rain fell in about 30 minutes over the rocky terrain. Most of the water ran off immediately. Further rain and storms were forecast for Monday.

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Most of it ran off immediately.