The Long Beach, Calif., hikers, believed to be in their mid-20s, had been caught by quickly rising waters at the Malibu Creek Gorge as severe rain pummeled much of southern California.
"The Ventura County sheriff's helicopter was able to break through the weather system, and has successfully hoisted all four of them out," said Mike Parker, a spokesman for the Los Angeles County Sheriff's Department.
Parker, who live tweeted the rescue, said emergency personnel were concerned the hikers might suffer hypothermia. Temperatures in the gorge were in the mid-40s.
Check out some of the photos of the rescue Parker captured:
Swim Week Miami Beach 2014 [PHOTOS]