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Memorial Day Closures

All city administration facilities and libraries will be closed Monday, May 30 for Memorial Day. Some city facilities and services will be open.

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Open Space & Mountain Parks

South Boulder Creek West in spring

Trails & Trailheads

Pasque Flower

Plan Your Visit

OSMP Trail Map Preview

OSMP Trail Map

Contact

Name
OSMP
Phone
303-441-3440
Address

2520 55th Street
Boulder, CO 80301
United States

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OSMP Projects

Larger projects are highlighted below. Shorter-term trail and trailhead maintenance projects are found on the OSMP Closures page.

  • Open Space & Mountain Parks
  • About
  • Upcoming Events
  • Projects
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  • View from 1st/2nd Flatiron Trail in winter

    1st/2nd Flatiron Trail Project

  • Bear Canyon Trail view

    Bear Canyon Reroute

  • Picture of the Flatirons.

    Boulder City Charter and Open Space

  • West section of Cottontail Trail

    Cottontail Trail Project

  • The Fort Chambers-Poor Farm property east of Boulder

    Fort Chambers / Poor Farm Management Plan

  • View from South Boulder Creek Trail

    Gebhard Integrated Site Project

  • Blue Flax along East Boulder - Gunbarrel Trail

    Gunbarrel Hill Integrated Site Project

  • North Sky Trail area

    North Sky Trail Project

  • E-Bike Public Process for City of Boulder Open Space Trails

    OSMP Evaluation of E-Bikes on Trails

  • Chautauqua Trail - Senderos De Boulder

    OSMP Master Plan Implementation

  • Royal Arch in the Winter

    Royal Arch Trail Project

  • A picture of The Peoples' Crossing trailhead sign

    The Peoples' Crossing

  • Wonderland Lake

    Wonderland Lake Integrated Site Project

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Boulder, CO 80302

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