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Recreation Region: Dolores Ranger District

Grindstone Loop Trail

The non-motorized Grindstone Loop Trail (658) branches off of Bear Creek Trail (607) at mile 8 to the left. This 4.8 miles non-motorized trail can be an out and back or use it to connect with 4 mile Grindstone Trail (608) which is open to motorcycles / e-bikes and make a loop back to the Bear Creek Trail (607). Motorized travelers will take the Grindstone (608) to the Hillside Connector (614) to tie into the Hillside Drive (436) gravel road while non-motorized may continue 0.75 mi to connect with the Colorado Trail.

Length: 4.8 miles - one way; a complete ~8 3/4 mile loop can be completed by combining with 4 miles of motorized Grindstone Trail (608)
Minimum Elevation: 9,296'
Maximum Elevation: 11,631'

Bear Creek System Trail Map

Specific Trail Information

Trail Number

658

General Information

Purification recommended

Non-motorized use only on Grindstone Loop (658)

Dolores Public Lands Office

Address: 29211 Highway 184 Dolores, CO 81323
Phone: (970) 882-7296
Hours: Monday–Friday, 8:00am-4:30pm (Closed on federal holidays)

Getting There

Directions

Accessed from Bear Creek Trailhead: From Dolores Public Lands Office turn left right onto Hwy 145 N heading into the town of Dolores. Continue 22 mi. Trailhead is on the right and clearly marked.

Recreation Opportunities

Last updated December 12, 2025