Boulder Open Space and Mountain Parks
Marshall Lake & Greenbelt Plateau Trail
4.5 mi · ▲ 195 ft · 1 hr 36 min
Marshall Lake & Greenbelt Plateau Trail is a 4.5-mile out-and-back in Boulder Open Space and Mountain Parks near Marshall, CO. The route reaches Marshall Lake at the turnaround, 2.2 miles in. It is mostly level, with 195 ft of elevation gain, and mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
Getting there
Directions
Marshall Lake & Greenbelt Plateau Trail
4.5 mi · ▲ 195 ft · 1 hr 36 min
Elevation 5,709–5,929 ft
Out & Back · Boulder Open Space and Mountain Parks
Trailhead: FlatIrons Vista Trail · 39.92859, -105.23458
Weather Sep 4: Overcast, high 90°F / low 62° · precip 5% · wind 2 mph · sunrise 6:33 AM · sunset 7:29 PM
Transit-accessible: CO 93 & CO 128 stop 24 m from the trailhead · Parking lot at the trailhead
- Start on FlatIrons Vista Trail, heading NE.
- 500 ftTurn left onto Greenbelt Plateau Trail, heading NE.
- 1.3 miTurn left onto Greenbelt Plateau Bypass, heading E.
- 50 ftSharp left onto Community Ditch Trail, heading E.
- 0.9 miReach Marshall Lake, then turn around and head back the way you came.
- 0.9 miSharp right onto Greenbelt Plateau Bypass, heading W.
- 50 ftTurn right onto Greenbelt Plateau Trail, heading W.
- 1.3 miTurn right onto FlatIrons Vista Trail, heading S.
- 450 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
Weather
Good to know
- Transit-accessible: CO 93 & CO 128 stop 24 m from the trailhead
- Parking lot at the trailhead
More from FlatIrons Vista Trail Trailhead
- Coal Seam Trail & Greenbelt Plateau Trail 3.4 mi · ▲ 196 ft
- Greenbelt Plateau Trail & Marshall Mesa 4.4 mi · ▲ 325 ft
- Coal Seam Trail–Community Ditch Trail, 6 sights 11.6 mi · ▲ 639 ft
- High Plains Trail–Old Rocky Mountain Greenway Trail, 3 sights 14.9 mi · ▲ 737 ft
- Fowler West Viewpoint–Coal Seam Trail, 6 sights 15.8 mi · ▲ 2,721 ft
Get outside more
A wild hike near Marshall, emailed to you once a week.
Hikes near Marshall, Colorado