Mount Williamson Plane Crashes Hike Details Day Hike: Alpine, Forest Los Angeles National Forest, Southern California 8.0 miles 3,043 ft gain — 2,953 ft loss 6,576 ft min — 8,257 ft max Physical Challenge 5 of 10 Psychological Challenge 4 of 10 Beauty 4 of 10 Uniqueness 7 of 10