News Flash

Jeffco Open Space Regulations Updated

Effective immediately, Jeffco Open Space (JCOS) is updating park regulations related to fires and e-bikes that will be enforced throughout JCOS parks.

Fire Restrictions

Due to ongoing high fire danger conditions, JCOS will maintain Stage 2 fire restrictions...

Unique Conservation Partnership Preserves 424.6-Acre Lippincott Ranch

Jeffco Open Space (JCOS) and City of Boulder Open Space & Mountain Parks (OSMP) recently finalized the land acquisition of the 424.6-acre Lippincott Ranch. Great Outdoors Colorado (GOCO) was also integral in the acquisition by providing JCOS and OSMP ...

Top Spots for Winter Recreation

Are you looking for some outdoor fun this winter? Check out our favorite winter recreation spots in Jeffco Open Space parks.

• Flying J Ranch Park – Snow tends to stick around longer and trails are relatively flat, making this a great spot to bring fat tire ...

Open Space Receives $9.75 million from DRCOG

Jeffco Open Space recently applied to the Denver Regional Council of Governments (DRCOG) Board of Directors to request funding for a 3-mile segment of the Peaks to Plains Trail in the furthest East portion of Clear Creek Canyon. The request was made throu...

Centennial Cone Park Hunting Closure Begins Saturday, December 1, 2018

The late-season hunting access at Centennial Cone Park will begin December 1, closing the park to all other uses through the end of January. This includes the Mayhem parking lot along US Hwy 6. The majority of the park will reopen to multi-use recreation ...

New Trailhead Opens at Van Bibber Park

Jeffco Open Space and Prospect Recreation & Park District are excited to announce the opening of the Indiana Trailhead at Van Bibber Park! Previously named the “West Access” located at 5590 Indiana Street, Arvada, CO, the new Indiana Trailhead contain...

2019 Small Research Grant Applications Now Open

Jeffco Open Space offers Small Research Grants to individuals or groups to conduct applied studies on Jeffco Open Space lands. The goal of this program is to fund research that will inform the management of these lands.

Past grant recipients include Adapta...

Dakota Ridge South Designated Use Trail Opens at Matthews/Winters Park

Today, Jeffco Open Space (JCOS) celebrates the opening of the Dakota Ridge South Trail, a new designated use, mountain bike only trail at Matthews/Winters Park. The construction of the 0.8 miles of new trail began in 2016 and the trail opens for recreatio...

Black Bear Trail Opens, Connecting Deer Creek Canyon and Hildebrand Ranch Parks

Today, Jeffco Open Space celebrates the opening of Black Bear Trail, a major connection between two popular parks in the system. The construction of 6.3 miles of new trail between Plymouth Mountain Trail and Mill Creek in Deer Creek Canyon Park began in O...

Plains Region Management Plan Draft

The 28 unincorporated parks in Jeffco Open Space are organized into nine regions, each with their own management plan. View Map of Jeffco Open Space Park Regions. The intent of the region management plans is to establish and utilize a goal-orient...

South Table Mountain Park Master Plan Draft

The 28 unincorporated parks in Jeffco Open Space are organized into nine regions, each with their own management plan. View Map of Jeffco Open Space Park Regions. The intent of the region management plans is to establish and utilize a goal-orient...

Rocky Mountain Greenway Project Public Comment Period

Jeffco Open Space announces the beginning of a public comment period for the proposed Sampling and Analysis Plan related to the Rocky Mountain Greenway Trail and Federal Lands Access Program at Rocky Flats National Wildlife Refuge.Review the Docu...

Conservation Summit Comes to Jefferson County

PLAN Jeffco, the nonprofit, volunteer-led organization of open space advocates based in Jefferson County, along with Jefferson County Open Space, are pleased to host the inaugural session of the Jeffco Conservation Summit Series. This series will address ...

Jefferson County Open Space Announces Designated Use Trails

Jefferson County Open Space (JCOS) will be conducting a one-year pilot program to evaluate the challenges and benefits associated with designated use trails.  As part of this program, two trail segments in the JCOS system will be designated as bi...

Hiwan Museum Celebrates 100 Years of Historic Architecture at Upcoming Event

The Hiwan Museum has been a historic staple in Evergreen, Colorado for as long as many community members can remember. This June marks the 100th anniversary of the 1918 completion of the main building of Hiwan Museum, which was previously known as Camp Ne...

Conservation Greenprint

View our recently developed Conservation "Greenprint". This illustrates the challenges that are facing Jeffco Open Space today, the opportunities we see, and the strategies we plan to implement to address these challenges. View the full document...

Jefferson County Announces “Big Year” of Bird Watching

Jefferson County is home to an abundant variety of bird species. To celebrate and preserve these species and their habitats, the County is excited to offer a Big Year in 2018.

Join fellow community birders in identifying by sight or sound the largest numbe...