Once a year, Mary Breckinridge treks across the High Sierra with a horse and two mules. The beauty, the self-reliance, the solitude drive her. This year, at 64, she's not sure she can go alone.
For a photo gallery: http://lat.ms/TGiFAc
For the full story and video: http://lat.ms/RkDYV9
For a timeline of Breckinridge's trek: http://bit.ly/SlQhR0
Photo: Katie Falkenberg / For The Times