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Emergency Alert NOTICE Masks or Face Coverings Required Indoors in County Buildings Read on...

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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. 17-mile-house-farm-park-interview

    17 Mile House historian brings her own personal connection to its local history

    Arapahoe County staff member Karen Sear is interviewed in the latest segment of Connected Colorado, about the historic 17 Mile House Farm Park in Centennial Watch Now...
  2. CP_Acadia_Park_Concept_Map

    Planning for Arcadia Park in the Four Square Mile neighborhood is underway

    The park will provide greenspace and recreation areas within a planned new housing community. Second public input session taking place on Feb. 1, 6-7 p.m.! Read on...
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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. 
  1. News
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  1. News
  1. 17-mile-house-farm-park-interview

    17 Mile House historian brings her own personal connection to its local history

    Arapahoe County staff member Karen Sear is interviewed in the latest segment of Connected Colorado, about the historic 17 Mile House Farm Park in Centennial Watch Now...
  2. CP_Acadia_Park_Concept_Map

    Planning for Arcadia Park in the Four Square Mile neighborhood is underway

    The park will provide greenspace and recreation areas within a planned new housing community. Read on...
  3. Aston_news_flash

    Best wishes to CSU Extension Director Tim Aston

    Congratulations to Arapahoe County CSU Extension Director Tim Aston. After 9 years of service with the County, Tim will retire at the end of December. Read on...
  1. Four leaf clover logo of the 4-H program

    CSU Extension 4-H Program brings home eight state and regional awards

    Demonstrating leadership in innovative programming throughout the pandemic Read on...
  2. Learn more about the Kiowa Creek Master Plan and take the survey

    Kiowa Creek North Open Space Master Planning process is underway

    County seeks community input on the future of the 265-acre property through Nov. 30 Read on...
  3. SMP_CP_Board_Barrel_smores

    Tickets on sale now for Board & Barrel!

    Join us on Dec. 4 for a unique wintertime event featuring a snowboard rail jam, premium barrel-aged libations, s’mores, and great vendors and vibes! Read on...
View All News
/CivicAlerts.aspx
  1. Calendar

January 2022

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  1. Mon Feb. 28

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

  2. Mon Apr. 25

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

  3. Mon Jun. 27

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

  1. Mon Aug. 22

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

  2. Mon Oct. 24

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

  3. 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!

  1. FooterSeal

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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  6. Mosquito Control
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