Designated Use

The Jeffco Open Space park system has over 252 miles of trails. Twenty-seven miles of trail are currently designated for a specific use. 

Apex Park
Following more than two years of public and visitor engagement, intense in-park education efforts, and field observations, Jeffco Open Space has developed a plan to improve trail safety and reduce visitor conflict at Apex Park. This final plan was shaped by many visitor and staff perspectives and demonstrates a true spirit of compromise. The new management plan will take effect on September 10, 2020 and be a 1-year trial basis. 

You must know the calendar date to safely use the park. Affected trails include: Enchanted Forest, Magic Mountain, Poco Calle, Rocker, Paydirt, and Smelter (see map for more detail).

• Even Calendar Dates (2nd, 4th, etc.) = Bikes only, no hikers or equestrians
• Odd Calendar Dates (1st, 3rd, etc.) = Hikers and equestrians only, no bikes

White Ranch Park
Jeffco Open Space made Middle Longhorn Trail a mountain bike only, one way designation permanent, on June 19, 2019. This decision was made after conducting a one year pilot program where compliance with this designation was approximately 98% and more than 80% of people surveyed were satisfied or in favor of the designation.

Matthews/Winters Park
On November 1, 2018, Dakota Ridge South Trail at Matthews/Winters Park was designated as bike only with a mandatory clockwise direction for movement. This new portion of trail is 0.8 miles.

View list of designated use trails