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  1. Trails
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  1. Arapahoe County Open Spaces

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Spotlight

  1. The Open Spaces Department works to preserve natural and heritage areas, enhance neighborhood and regional parks and build and maintain trails. Since its inception, the program has built more than 73 miles of new trails, supported more than 160 park and trailhead projects, and conserved more than 31,000 acres of open space.
  1. CP_laying-hands-on-horse

    Arapahoe County CSU Extension wins regional award for Urban Ranchers Camp

    Demonstrating excellence in animal science programming Read on...
  2. Explore Outdoors at 17 Mile House

    Explore YOUR outdoors at the 17 Mile House Farm Park

    Join us on Saturday, July 9 for this free, educational open house Read on...
  3. CP_save_the_date

    2022 Arapahoe County Fair tickets on sale now!

    We can't wait to get together again for rides, ropes, eats, treats, drafts, crafts and laughs! Learn more...
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Stay Engaged

  1. Learn more about our program and take a walk outside along your favorite trail or bring your children to play in a neighborhood park. Chances are you'll see examples of your open space tax dollars at work in Arapahoe County's great outdoors. 
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  1. News
  1. CP_laying-hands-on-horse

    Arapahoe County CSU Extension wins regional award for Urban Ranchers Camp

    Demonstrating excellence in animal science programming Read on...
  2. Explore Outdoors at 17 Mile House

    Explore YOUR outdoors at the 17 Mile House Farm Park

    Join us on Saturday, July 9 for this free, educational open house Read on...
  3. Bike to work day logo

    Bike to Work Day is June 22

    Stop by our stations for breakfast burritos and local pastries, updated trail maps, cool swag, and more Read on...
  1. Learn Wool Spinning at 17 Mile House

    Wool Spinning at the 17 Mile House Farm Park

    Join us on Saturday, June 11 for this free, educational open house Read on...
  2. Cheyenne-Arapaho Park Updates

    Cheyenne-Arapaho Park expansion project to benefit community

    Construction will begin mid-May 2022 to include community garden, off-leash dog area, natural play area and more Read on...
  3. Map of where the High Plains connector trail is being built

    Work begins on Parker Road Overpass for High Plains Trail

    Construction will begin on Monday, April 25, with the first phase completed in Fall 2022 Read on...
View All News
/CivicAlerts.aspx
  1. Calendar

June 2022

Sun Mon Tue Wed Thu Fri Sat
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26 27 28 29 30 1 2

  1. Mon Jun. 27

    Open Space and Trails Advisory Board (OSTAB) Monthly Meeting
    Read More

  2. Mon Aug. 22

    Open Space and Trails Advisory Board (OSTAB) Monthly Meeting
    Read More

  1. Mon Oct. 24

    Open Space and Trails Advisory Board (OSTAB) Monthly Meeting
    Read More

  2. Mon Dec. 5

    Open Space and Trails Advisory Board (OSTAB) Monthly Meeting
    Read More
View All Calendars
/Calendar.aspx
  1. Volunteer

OS Volunteer

There are many ways citizens can get involved, from volunteering to serving on a citizen board, such as:

  • Citizen Boards and Committees
  • Volunteer Connections
  • Arapahoe County Foundation
  • Arapahoe County Sheriff’s Office Citizen Academy
  • Homeowner and Neighborhood Associations 

Visit our Get Involved page to learn more!

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Contact

  1. Arapahoe County Open Spaces

    6934 S Lima Street
    Centennial, CO 80112

    Phone: 720-874-6540
    Email: open_spaces@arapahoegov.com

    All County Offices

Helpful Resources

  1. Trails Map
  2. Rentals
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  4. CSU Extension
  5. Animal Control
  6. Mosquito Control
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