Gross Reservoir

Camping and enjoying the reservoir is the key to this trail.

Total Miles


Send Trail to Phone
1 to 2 Hours
Technical Rating
2 / 10
Best Time
Summer - Fall

As we continue to improve our trail coverage, we'd love to hear what you think and which areas to add next.

Trail Overview
Gross Reservoir
This is a super fun, single lane road to amazing camping. You'll camp above the reservoir and fish, canoe, kayak and relax. No swimming. Open to licensed and unlicensed vehicles. Trail is open from May 15 to November 30.
Reservoir Expansion: At the time of this writing, a project was underway to raise the dam 131 ft., which would nearly triple capacity of reservoir. The road ends at a new parking lot. Access to campsites around the parking area is by hiking and horseback only.
Getting There
From Nederland: Head south from roundabout 2 miles and turn left on Magnolia Drive, C.R.132. Go 5.4 miles east and turn right on C.R. 68. Go another 2.0 miles to fenced parking area on right. From Boulder: Take Canyon Highway 119 about 4 miles west to Magnolia Drive on left. Go another 6.6 miles to C.R. 68 on left. Parking lot at start of trail is on right in another 2.1 miles.
Contact for Current Conditions
Roosevelt N.F.
Boulder R.D.
(303) 541-2500