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Alerts & Closures
- NOTICE: Middle Longhorn Trail at White Ranch Park will be closed on Wednesday, October 4. JCOS and COMBA will be performing annual trail maintenance.
- NOTICE: Maintenance is being done on Black Bear Trail on the Hildebrand Ranch Park side of the hogback
- CLOSED: East Alderfer/Three Sisters Park & East Trailhead closed for forest health management
- REOPENED: As of 9/25, Plymouth Creek Trail at Deer Creek Canyon Park
- REMINDER: Some JCOS Parks have designated-use trails or alternating use days
Seasonal Closures*
Centennial Cone Park
Elk Range Trail at Centennial Cone Park, including the interior of the park, is closed from February 1 through mid-June to protect elk during their calving season. All other trails are open.
Clear Creek Canyon Park
Portions of Clear Creek Canyon Park near Mile Marker 270 are closed to all public use uphill of US Highway 6 from February 1 through July 31 to protect nesting eagles. This closure includes the following rock-climbing sites: Bumbling Stock, Stumbling Block, Skinny Legs, Blonde Formation, and Ghost Crag. The Fault Caves are also included in this closure.
Portions of Clear Creek Canyon Park, near Tunnel 2, are closed to all public use uphill of US Highway 6 from February 1 through July 31 to protect nesting eagles. This closure includes the following rock climbing sites: Highlander, Evil Area, and Tetanus Garden.
Deer Creek Canyon Park/Hildebrand Ranch Park
The entirety of Black Bear Trail, which connects Deer Creek Canyon Park and Hildebrand Ranch Park, is closed from February 1 through July 31 to protect nesting birds of prey.
North Table Mountain Park
Rim Rock Trail at North Table Mountain Park is closed from February 1 through July 31 to protect ground-nesting bird habitat and nesting birds of prey.
South Table Mountain Park
Lava Loop trail at South Table Mountain Park is closed from February 1 through July 31 to protect ground-nesting bird habitat and nesting eagles.
Cathedral Spires Park
The entirety of Cathedral Spires Park is closed from March 1 through July 31 to protect nesting birds of prey.
Crown Hill Park
The Crown Hill Park Wildlife Sanctuary is closed from March 1 through June 30 to protect nesting and brooding waterfowl, as well as creating a critical refuge for all kinds of wildlife including deer, bobcats, coyotes, and others birds, during a critical time in their seasonal life cycle.
*Opening date may vary depending on wildlife activity
Additional Closures
- White Ranch Park Sourdough Campsite Closure: December-March
- Centennial Cone Park Late Season Hunt Closure: December-January
Types of Closures
Mud Closures – at certain times of the year there are full and partial park closures at some parks throughout the system to protect the resource from damage. Full park closures include: Apex, Deer Creek Canyon, and Hildebrand Ranch parks. Partial park closures include: Matthews/Winters, Mount Falcon - Morrison, North Table Mountain - East, and White Ranch - East parks.
Seasonal Closures – at certain times, typically February through July, wildlife require minimal human disturbance. Seasonal closures allow wildlife to successfully nest, rear young, or survive a critical time in their lifecycles.
Sensitive Area Closures – when open space areas that contain rich biodiversity from vegetation to animal life are susceptible to human disturbance, Jeffco Open Space may designate the area as sensitive and closed to public access for the protection of the natural elements.
Trail Closures – Trails may be closed when resource damage has occurred, restoration or relocation is underway, or conditions are deemed unsafe.
Hazard Closures – Closures that pose a safety hazard to visitors include rock fall, flooding, unsecured mine shafts and heavy equipment use.
Hunting Closures – Centennial Cone Park provides a period for hunting by permitted and licensed hunters during the months of December and January each year. The Park is closed to all other use at this time.
Wildfire Closures – When wildfires occur either in a park or adjacent to our parks, closures may be applied for public safety and/or staging of response crews.