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  1. Arapahoe County Open Spaces

    Welcome to Arapahoe County Open Spaces.
    Healthy Lands, Healthy Communities, Healthy People
Current Projects
Fairgrounds
Trails Map
County Fair
Grants

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 or improved 214 miles of trail, participated in more than 150 park and trailhead projects, and conserved more than 33,000 acres of open space. 
  1. 17 Mile House Farm Park Iconic Red Barn with windmill

    Construction to begin on iconic red barn at 17 Mile House Farm Park

    The iconic red barn at Arapahoe County’s 17 Mile House Farm Park will soon be stabilized as construction on the $320,000 project is slated to start this month, which will limit access at the park until fall 2019. Read on...
  2. spotlight 1

    Your Parks, Trails and Open Spaces

    Explore Arapahoe County properties Open Spaces. See your parks and trails
/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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  1. News
  1. 17 Mile House Farm Park Iconic Red Barn with windmill

    Construction to begin on iconic red barn at 17 Mile House Farm Park

    The iconic red barn at Arapahoe County’s 17 Mile House Farm Park will soon be stabilized as construction on the $320,000 project is slated to start this month, which will limit access at the park until fall 2019. Read on...
View All News
/CivicAlerts.aspx
  1. Calendar

August 2019

Sun Mon Tue Wed Thu Fri Sat
28 29 30 31 1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31

  1. Thu Aug. 22

    17 Mile House - Property Closed to the public 11:00 AM to 1:00 PM
    17 Mile House - Property Closed to the public 11:00 AM to 1:00 PM
    Read More

  2. Mon Aug. 26

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

  3. Wed Aug. 28

    17 Mile House - Property Closed to the public
    17 Mile House - Property Closed to the public 8:00 AM to 4:30 PM
    Read More

  1. Sat Sep. 7

    17 Mile House - House Closed to Public
    17 Mile House - House Closed to the Public
    Read More

  2. Sat Sep. 14

    17 Mile House - Open House
    17 Mile House Open House 09:00-12:00 -
    Read More

  3. Sat Oct. 12

    17 Mile House Open House
    Read More
View All Calendars
/Calendar.aspx
  1. Volunteer
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Contact

  1. Arapahoe County Open Spaces

    6934 S Lima Street
    Centennial, CO 80112

    Phone: 720-874-6540

    All County Offices

Helpful Resources

  1. Trails Map
  2. Rentals
  3. Service Request
  4. Weed Control
  5. CSU Extension
  6. Animal Control
  7. Mosquito Control
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