UPDATE: We now know more details surrounding the rescue. Park Ranger Matt Switzer tells WAAY31 Kenzie Wetzel, a 21-year-old female from Douglasville, GA was walking near Little River Falls when she slipped on a rock. She fell into the water and was caught in the current in cold water. She was able to hold on to rocks to wait for help. First responders were there within minutes. Crews used a helicopter to get Wetzel to the parking lot. That's where DAS determined she should be taken to the hospital. 

Agencies involved: National Park Service rangers, Fischer Rescue Squad, Fort Payne Fire Department, Dogtown Volunteer Fire Department, DeKalb Ambulance Service (DAS), Cherokee County Sheriff Office, Alabama Law Enforcement Agency (ALEA) State Troopers and ALEA Aviation, and Air Evac Lifeteam.

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UPDATE: Officials tell WAAY31 a 21-year-old was rescued and flown to the hospital. Crews were pulled the woman from a rock in the water. 

ALEA, Fischer Rescue Squad, Fort Payne and Dog Town Fire and Scottsboro Airovac all were involved in the rescue. 

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Officials at Little River Canyon National Preserve in Fort Payne say a rescue operation is underway.

Matthew Switzer, preserve spokesman, said rescuers have not been able to get to the woman to assess her condition. 

Her condition is not known at of 6 p.m. Monday.

The rescue operation is expected to last for the next couple hours.

A 23-year-old Indiana man drowned while swimming at Little Falls on Sunday. He's been identified as Austin Roland Bates of Greentown, Ind.

Stay with WAAY 31 for updates.