A hiker fell and injured her head after suffering a seizure near the upper waterfall of Wildwood Park.
The victim's friends used their cell phones to call for help around 4:20 p.m. Ventura County firefighters reached the woman after driving through dirt roads and hiking up a single-track trail.
Crews then airlifted the victim and transported her to Los Robles Hospital where she was treated for her injuries.
Her name was not released.