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Open Space

  1. Contact Jeffco Open Space
  2. History Programs Registration
  3. JCOS - 2022 Special Activity Application

    This form is intended to serve as the application to hold large-scale events on JCOS managed land in the 2022 calendar year.

  4. JCOS - Commercial Activity - Guides

    This form is to be completed by anyone who wishes to host guiding services on Jeffco Open Space managed lands. Please allow up to 10... More…

  5. JCOS - Commercial Activity - Product Demo

    This form is to be completed by anyone who wishes to conduct a product demo of any type on JCOS managed lands. Please allow up to 10... More…

  6. JCOS - Fixed Hardware Review Committee Application

    This form is to be completed by anyone wishing to join the citizen based fixed hardware review committee which reviews all applications... More…

  7. JCOS - Research and Collections Permit Application

    This form is to be completed by anyone who wishes to collect any biological resource elements, or to conduct research activities, from... More…

  8. SLASH - Donation

    Donate to the Slash program to contribute to wildfire mitigation efforts in your community.

  1. Heritage Square Exchange Comments
  2. Hunting Access Permit Application - Centennial Cone Park

    Hunting is allowed during a seasonal closure at Centennial Cone Park, and by permit only. The late season hunting access occurs... More…

  3. JCOS - Commercial Activity - Filming

    This form is to be completed by anyone who wishes to film or photograph for commercial purposes, outside of small scale portrait... More…

  4. JCOS - Commercial Activity - Other

    This form is to be completed by anyone who wishes to host a commercial activity or service on Jeffco Open Space managed lands. Please... More…

  5. JCOS - Fixed Hardware Installation

    This form is to be completed by anyone wishing to install fixed hardware for the purpose of rock climbing or slack-lining on any... More…

  6. JCOS - General Use Park Permit Application

    In order to ensure sufficient time to process your permit, please submit this form no less than ten business days prior and no more... More…

  7. JCOS - School Groups Permit Application

    This form is to be completed by any school group wishing to use JCOS managed land for any purpose. Please allow up to 10 business days... More…

  8. TST Application: 2020 Crew Member

    Trail Stewardship Team Application for 2020 Crew Members