Events - Sustainability

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Want to learn more about sustainability or take part in activities that contribute to creating a sustainable Longmont? Check out these events.

Rhythm on the River: A Festival of Music and Fun

Get Your Glow On!

  • Date: 07/12/2019 5:00 PM - 10:00 PM  
  • Location: Roger's Grove Nature Area
    220 Hover St
    Longmont, Colorado 80503
  • Introduction: Longmont's signature summer festival filled with music, food & drink, art, FUN! Free admission.

Rhythm on the River

Get your glow on!  Enjoy activities and Night Light Fun at Rhythm on the River, Longmont’s signature zero-waste event, as we celebrate the environment, the community, art and music. Hours are Friday and Saturday July 12-13 from 5-10pm.  Black lights throughout the venue will fluoresce white clothing. Free admission. Free parking and shuttle service is available at the Boulder County Fairgrounds. Click to view a complete list of all of the activities and entertainers. Questions? Call 303-651-8404.  Rhythm on the River is proudly sponsored by First National Bank. 
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