Flagstaff Summit Closure
Flagstaff Summit Road including Flagstaff Summit East and West Trailheads closed to vehicles for winter.
The Flagstaff Summit East and West Trailheads, plus other smaller pull-off parking areas, provide access to many trails and amenities on Flagstaff Summit. Flagstaff Summit Road is open seasonally from May 1 - Oct. 30.
Restrooms available at Flagstaff Summit.
Note: There is no potable water available at the Flagstaff Summit or Flagstaff Nature Center.
Picnic tables and trash cans are located around Flagstaff Summit. Learn about reserving the picnic facilities and the Sunrise Amphitheater.
3.4 miles up Flagstaff Road, to Realization Point, then 0.5 miles on Flagstaff Summit Road. Please note: the vehicle length limit for Flagstaff Road is 30 feet.
Parking lots with a parking fee. Information on parking permits & fees. The trailhead has 47 standard parking spaces and 6 ADA spaces.
If you haven't paid a visit to the Flagstaff Nature Center, located on Flagstaff Summit, please stop by during the summer and fall months.
This area is identified as being mobility-friendly. See the Visitors Experiencing Disabilities Page for trail details.
Bicycles are allowed on Flagstaff Summit Road and Chapman Drive, but not on other trails in the area. Other bike trails on OSMP.
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.
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.
Black bears and mountain lions inhabit this area. Many other wildlife species are common including songbirds, birds of prey, mule deer, red foxes, and coyotes.