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Length: 17.6-miles (one-way)
Trailhead Facilities: None
Short Trail Summary: One of the longest and most historic trails in the San Juan National Forest, this trail was re-opened after being mostly abandoned by the tireless efforts of the early board members of the Pagosa Area Trails Council. In its earliest times, the stock drive was used by sheep herders who would continue their grazing through the now known Williams Creek Reservoir, through the Cimarrona Valley and to Squaw Pass on the Continental Divide.
This trail is nearly shorter than the road connecting the access trailheads and sections of the trail are accessible by OHV, 50-inches or less.
Beginning at the trailhead off Monument Road (FS 630), expect diversity, changing forest and occasional big views. Wildlife frequent the trail and the short ups and downs will add variety to the landscape. The elevation profile remains in the 7,600-8,800-feet range.
The trail begins as old road with a slight ascent flanking the east side of Middle Mountain before reaching a non-motorized segment of trail. Staying just outside the wilderness boundary the trail encounters undulating ups and downs before a more assertive 1,200-foot descent to the Piedra River and a short stint on the Piedra River Trail No. 596.
Reaching a narrowing of the canyon, the Piedra Stock Driveway will turn north on the west side of Sally Overlook and continue to thread Trail Creek and the west side of Trail Ridge. Again turning to an OHV access, the trail maintains a general contour line for several miles before reaching FS 631.
Directions: There are numerous accesses to the Piedra Stock Driveway including an access off of First Fork Road (FS 629) which is not included in the trail description.
Monument Road Trailhead Directions: Drive North on Piedra Road (CR 600/FS 631) 6.7-miles, passing a cattle guard where the road turns from pavement to gravel. Turn west onto Turkey Springs Road (FS 629). After 2.8-miles turn north onto Monument Road (FS 630). Follow this road 5.9-miles to a faint parking area on the north side of the road. Look for a sign noting FS 629d.
East Fork Trailhead Directions: Drive North on Piedra Road (CR 600/FS 631) 22-miles to the intersection with the FS 640 (Williams Creek Road). There is no trailhead parking here but the northern terminus of the Piedra Stock Driveway is accessed on the south side of the roadway.