Gorgeous scenery awaits those who hike the Alpine Tunnel Trail through the tall pine trees of Colorado's San Isabel National Forest. The trail has a gentle grade suitable even for children as it follows the former Denver, South Park and Pacific Railroad between St. Elmo and Gunnison.
Alpine Tunnel Trail is a 5.6 mile moderately trafficked out and back trail located near Nathrop, Colorado that features beautiful wild flowers and is good for all skill levels.
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Trail map of the Alpine Tunnel Trail from US Forest Service Road 295 (5.5 miles south of St. Elmo) to Alpine Tunnel (San Isabel National Forest). find trail maps, reviews, photos & driving directions on traillink.com
From here, look for the Alpine Tunnel trail sign. You'll now be on the Tunnel Lake Trail singletrack. Ride west for about 2 miles then look for a trail sign for the Continental Divide Trail to your left and take this trail.
Alpine Tunnel is a 1,772 ft (540 m) narrow gauge railroad tunnel located east of Pitkin, Colorado on the former Denver, South Park and Pacific Railroad route from Denver to Gunnison.
The Alpine Tunnel hike, from the old Townsite of Hancock, is a relatively easy and tremendously rewarding hike along the old railroad line that ran from the "other side" of the Alpine Tunnel. The trail follows a gentle grade along a wide shelf that occasionally goes through the forest.
Alpine Tunnel ATV Trail Pitkin, Colorado 81241. As you climb along the road, notice the black soot marks at various points. Imagine what it was like to ride a train carrying heavy ore down this mountain.
The Alpine Tunnel was the first railroad bore ever drilled in the United States, the first ever to carry tracks under the Continental Divide and, in 1882, the highest point ever reached by a railroad at 11,251' above sea level.
Review: This was the first alpine ride I did when I moved to Colorado. The route starts out easy up the dirt road to Hancock (Watch for Jeeps and ATVs on weekends). The trail begins to climb toward Alpine Tunnel but is still moderate at best.
The beginning of the trail. Williams Pass is a nearby 4-wheel drive road that is open during the month of August for 4-wheeling. Looks very interesting! This road is a short distance along the Alpine Tunnel Trail. The railroad grade has a right turn that's known as Sawmill Curve.
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