North Crystal Mountain Road is a hiking, biking, and horse trail in Larimer County, Colorado. It is within Roosevelt National Forest. It is 8.3 miles long and begins at 7,661 feet altitude. Traveling the entire trail is 1.8 miles with a total elevation gain of 548 feet. The Green Quartz Beryl Claim Number Eight (elevation 8,573 feet) quarry can be seen along the trail. The trail ends near the Plains View Mine (elevation 8,688 feet) and Thodab Claim (elevation 8,461 feet) quarries.