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  1. Arapahoe County Open Spaces

    Arapahoe County Open Space will not host the 17 Mile House Fall Festival in 2019. Please consider attending a fall event hosted by the following organizations: the Littleton Historical Museum, the Four Mile Historic Park, the Denver Botanic Gardens at Chatfield or the Town of Parker.
Current Projects
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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 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 Barn

    17 Mile House Barn

    2019 Preservation Project Complete Read on...
  2. Littleton-Museum

    Fall Events

    Attend an event near you Read on...
  3. 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. 
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  1. News
  1. Calendar

October 2019

Sun Mon Tue Wed Thu Fri Sat
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  1. Tue Oct. 22

    Welch Park Closed 10/22 Welch Park will be closed from 5 a.m. - 5 p.m. on Tuesday Oct. 22 for tree removal. The park is located on E. Jewell Circle, Denver.
    Read More

  2. Mon Oct. 28

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

  3. Sat Nov. 16

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

  1. Mon Dec. 2

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

  2. Sat Dec. 7

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

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  1. Trails Map
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