Holcomb Valley Road is a hiking, biking, and horse trail in San Bernardino County, California. It is within San Bernardino National Forest. It is 4.3 miles long and begins at 6,872 feet altitude. Traveling the entire trail is 8.7 miles with a total elevation gain of 1,231 feet. The Doble Mine (elevation 7,310 feet) quarry can be seen along the trail.
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