1n05 is a hiking, biking, and horse trail in San Bernardino County, California. It is within Sand to Snow National Monument and San Bernardino National Forest. It is 5.3 miles long and begins at 7,001 feet altitude. Traveling the entire trail is 10.7 miles with a total elevation gain of 2,157 feet. The Aspen Grove Parking Lot parking can be seen along the trail.
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