Forest Service Road 189.1C is a hiking, biking, and horse trail in Clear Creek County, Colorado. It is within Arapaho National Forest. It is 2.2 miles long and begins at 10,335 feet altitude. Traveling the entire trail is 4.5 miles with a total elevation gain of 964 feet. The San Juan Tunnel (elevation 10,446 feet) quarry can be seen along the trail.
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