Greenbelt Plateau Trailhead
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0.1 mile east of the intersection of Highway 128 and Highway 93 on the north side.
Please check for Trail & Area Closures.
You are responsible for knowing and complying with all closures and OSMP rules & regulations.
Parking lot on north side of Highway 128 with a parking fee. Information on parking permits & fees.
Please keep your car doors locked and your car windows rolled up at all times while leaving your vehicle parked at OSMP trailheads. Also consider leaving important valuables at home or take them with you while visiting open space. To report suspicious activity please call City of Boulder Dispatch 303-441-3333 or Boulder County Dispatch 303-441-4444. For crimes in progress, call 911 immediately.
Greenbelt Plateau Trail (1.5 mile) heads north from the trailhead through grassland and ponderosa pine savannah. It affords beautiful views of the Boulder Valley as it meanders toward the Community Ditch Trail.
Community Ditch Trail (1.7 mile west of Hwy 93 and 1.9 mile east of Hwy 93) can be taken to the east through the Marshall Mesa area or to the west toward Doudy Draw. This trail is very popular with bicyclists and equestrians.
An RTD bus passes very close to this trailhead. Learn about Taking the Bus to OSMP.
This area is identified as being popular with people using wheelchairs. See the Accessible Trails Page for details.
No facilities available.
No picnic facilities.
Bicycles are allowed on most trails in the area. Bicycles may be ridden only on those trails that are posted with the international bicycle symbol. Other bike trails on OSMP.
Learn about bringing your dog to OSMP. All dogs must be leashed in the Trailhead Leash Area. Dogs are prohibited east of the Greenbelt Plateau Trail. Dogs must be on a hand-held leash on the High Plains Trail. Dog control requirements vary from trail to trail, so carefully watch for dog regulation signs at trailheads and trail intersections. On most other OSMP trails in this area, dogs must be on a hand-held leash at all times unless they meet the voice and sight control standard and display a City of Boulder Voice and Sight tag. Dog excrement removal is required by law.
Allowed on most trails. Off-trail riding is discouraged to protect rare plants and wildlife habitat. Learn more about riding your horse on OSMP.
There is an abundance of raptors, mule deer and coyotes. The surrounding land is designated as a grassland management area to protect grassland plant and animal communities. Many birds, such as killdeers, meadowlarks and vesper sparrows, nest on the ground here during spring and summer.
- Coal mining area in the 1860s. Mines after 1900.