Left Hand Trailhead
One mile east of Highway 36 on Neva Road.
Please check for Trail & Area Closures.
You are responsible for knowing and complying with all closures and OSMP rules & regulations.
Parking lot at trailhead large enough to accommodate horse trailers.
An RTD bus passes very close to this trailhead. Learn about Taking the Bus to OSMP.
Left Hand Trail provides hiking, bicycle and equestrian access to Boulder Valley Ranch trails and offers scenic overlook of Lefthand Valley Reservoir, although the reservoir itself is on private property.
Available at pavilion 3/4 mile southwest of trailhead, only available through reservation with Boulder County Parks and Open Space Department.
Allowed on Left Hand Trail, Eagle and Sage trails on Boulder Valley Ranch. 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. Dogs must be on a hand-held leash on the designated trail.
Allowed on most trails. Off-trail riding is discouraged 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 have been sighted. Rattlesnakes might be encountered during summer.
- Foundations of homestead near pavilion.