Hiking to the camp: There are three way to hike to West Fork Trail, starting from Red Box Picnic Area, Eaton Saddle or lastly from the Silver Mocassin truck stop. 5 miles, 4.5 miles and 2.5 miles respectively. Most recommended hike is starting from Red Box Picnic Area.
Trail Directions: Hiking West Fork Trail Camp from Red Box: Trip report and directions here. Summary: Park at Red Box Picnic Area, adventure pass required. After parking locate the sign at the parking area that says "WEST FORK - 5 mi". Follow the sign and hike 5 miles on the Gabrielino Trail through shaded canyons of the San Gabriel Mountains and high desert views until reaching the camp under a canopy of oaks.