Marshall Mesa Trailhead
Always bring a face covering when you leave home and maintain 6 feet of distance
- You will need a face covering to visit Boulder’s open space trails and parks. Always bring one with you when you leave home.
- Place it over your nose and mouth when you can’t maintain 6 feet of distance from others.
- Wear it around your neck or wrist when no one else is around.
- Parents should help children older than 2 years old properly wear a face covering.
- Help protect vulnerable community members and each other.
Don’t forget: Keep the space in open space! Always stay at least 6 feet from others you don’t live with or haven’t agreed to have close contact with.
Please follow these other responsible recreation reminders:
- Visit OSMPTrails.org to see current trail closures, historical data that shows areas of high and low open space use and trails that are wider than 6 feet. See when trails are busiest through our Visitation Data Explorer.
- Protect first responders. Know your limits and don’t take unnecessary risks.
- Plan ahead and consider recreating closer to home as parking is extremely limited - especially on Flagstaff Mountain.
- Remember: Leave No Trace! Pick up trash and dog waste. Stay on trail and walk through mud. Step off if you need to maintain distance but quickly step back on trail.
- For more responsible recreation reminders, please visit the Covid-19 Recovery page.
Just east of the intersection of Highway 93 and Marshall Road.
Please check for Trail & Area Closures.
You are responsible for knowing and complying with all closures and OSMP rules & regulations.
Parking is available for cars and horse trailers, 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.
From the trailhead visitors may take the Marshall Valley Trail to the east or the Coal Seam Trail south. Marshall Mesa Trail (0.7 mi) connects Marshall Valley and Community Ditch Trail and a loop hike can be taken combining Marshall Valley, Marshall Mesa and Coal Seam trails, or Marshall Valley, Community Ditch and Coal Seam trails.
Cowdrey Draw Trail (0.8 mi) provides access to the east to the Mayhoffer-Singletree Trail that accesses Boulder County Parks and Open Space.
Community Ditch Trail provides access to the south to the Greenbelt Plateau Trail and to the west to the Doudy Draw area.
Available at the trailhead.
Three picnic tables available at the trailhead.
Bicycles are allowed on Marshall Valley Trail, Coal Seam Trail, Cowdrey Draw Trail, Greenbelt Plateau Trail, and Community Ditch Trail. 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. Beyond the trailhead, dog control requirements vary from trail to trail, so carefully watch for dog regulation signs at trailheads and trail intersections. On most 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.
Horses are allowed on most trails. On-trail riding is encouraged to protect rare plants and wildlife habitat. Learn more about riding your horse on OSMP.
Birds of prey are frequently sighted in this area. Coyotes and mule deer are common.
Coal mining area in the 1860s. Mines after 1900. For a fascinating account of the coal mining at Marshall Mesa, download a copy of Joanna Sampson's brochure 'Walking through History on Marshall Mesa.'