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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. 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. 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...
/CivicAlerts.aspx

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. 
  1. News
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  3. Volunteer
  1. News
  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...
  1. Avian-flu-backyard-chickens

    How to protect your flock from Avian Influenza

    Have backyard chickens? Find resources on what to look for, how to protect your flock, and how to report suspected exposure Read on...
  2. Four tweens making funny faces at a water bug found in Cherry Creek

    Water bugs at the 17 Mile House Farm Park

    Join us on Saturday, May 14 for this free, educational open house Read on...
  3. Girl in a bee costume making a beeswax candle

    Meet the beekeepers at the 17 Mile House Farm Park

    Join us on Saturday, April 9 for the first open house of the season! Read on...
View All News
/CivicAlerts.aspx
  1. Calendar

May 2022

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29 30 31 1 2 3 4

  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

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  2. Rentals
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  6. Mosquito Control
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