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  1. Trails
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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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  3. Volunteer
  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

June 2019

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  1. Wed Jun. 26

    Bike to Work Day For the fourth year, Arapahoe County will be participating in Colorado’s Bike to Work Day on Wednesday, June 26, celebrating riders at two locations. Registration for Bike to Work Day 2019 is free and encourages those who are looking to stay healthy while exploring Colorado’s trails and open spaces, de-stress and refresh in a fun and engaging way. New and seasoned bike commuters can visit either of Arapahoe County’s water and breakfast stations from 6:30 – 9 a.m. Wednesday: Arapahoe Rd. Trai...
    Read More

  2. Thu Jun. 27

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

  3. Sat Jul. 13

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

  1. Thu Jul. 25

    Arapahoe County Fair The fair is an incredible value for families looking for a full day of laughter and good wholesome fun. 4:00 PM - 11:59 PM
    Read More

  2. Fri Jul. 26

    Arapahoe County Fair The fair is an incredible value for families looking for a full day of laughter and good wholesome fun.
    Read More

  3. Sat Jul. 27

    Arapahoe County Fair The fair is an incredible value for families looking for a full day of laughter and good wholesome fun.
    Read More
View All Calendars
/Calendar.aspx
  1. Volunteer
  1. OS Volunteer

    Open Spaces Volunteer Opportunities

    Read on...
View All News
/CivicAlerts.aspx
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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
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  5. CSU Extension
  6. Animal Control
  7. Mosquito Control
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