Calendar module icon


View All Calendars is the default. Choose Select a Calendar to view a specific calendar. Subscribe to calendar notifications by clicking on the Notify Me® button, and you will automatically be alerted about the latest events in our community.


  1. Fall Whale of a Used Book Sale

    October 20, 2019, 11:00 AM - 3:00 PM @ Exhibit Halls 1, 2, 3, Green Mountain Conference Rooms A, B, C, D, North & South Kitchen

    The "Whale of a Used Book Sale" is Colorado's biggest & best used book event. Gently-used books, DVDs, CDs, vinyl records, antique books and more from just .50 cents. Free Admission Friday, Saturday and Sunday, October 18, 19 & 20, 2019. Special preview "Friends" event on Thursday 6 pm-8 pm, October 17. Saturday is half off day on all items for Jefferson County employees (including teachers) with County ID only. Proceeds benefit the Jefferson County Library Foundation.

    More Details

Open Space Master Calendar

  1. Native Plants: Seeds, Nuts, Fruits, Berries, and Roots

    October 20, 2019, 9:30 AM - 11:30 AM @ Reynolds Park

    Walk with a Native Plant Master and discover the importance of our native plants to wildlife and humans in their winter survival.

    More Details
  2. Coffee Talk at Hiwan Heritage Park

    October 20, 2019, 11:00 AM - 12:00 PM @ Hiwan Heritage Park

    Enjoy coffee outside and chat about the cultural and natural history of Jeffco Open Space Parks. Stop by anytime between 11 and noon. Bring your own mug if you can. Coffee is on us!

    More Details