• Picnic Area
  • Restroom

Trailhead Description

Crown Rock Trail provides access to popular bouldering spots and eventually extends down into Gregory Canyon.


Facilities available.

Picnic Facilities

Picnic facilities are available directly off of trail.


Located approximately 2.1 miles up Flagstaff Road. Please note: the vehicle length limit for Flagstaff Road is 30 feet.


Parking lot at the trailhead, with parking fee. Information on parking permits & fees. The trailhead has 6 standard parking spaces and one ADA space.

Area Info

Bike Regulations

Bicycles are not allowed on this trail. Bicycles may be ridden only on those trails that are posted with the international bicycle symbol.

Dog Regulations

Crown Rock Area Dog Regulations Map

Learn about bringing your dog to OSMP. 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. A dog station is available to aid in the collection of dog excrement.

Horse Regulations

Allowed on most trails. Off-trail riding is discouraged to protect rare plants and wildlife habitat. Learn more about riding your horse on OSMP.


Black bears and mountain lions inhabit this area. Many other wildlife species are common including birds of prey, mule deer and coyotes. White-tailed and mule deer are common. Red-tailed hawks, foxes and coyotes are sometimes seen.