Welcome to Longmont's Calendar of Events!
The events listed on this Calendar are City of Longmont sponsored events and is not a comprehensive list of all activities happening around the community. Dates and times of these events are subject to change without notice.
Trash, Recycling, & Composting - Holidays & Events
View via the address-based Online Collection Calendar and sign up for reminders.
Other Community Events
To view other events being held around Longmont, please visit the Longmont visitors bureau events calendar at VisitLongmont.org.
Subscribe to the City Calendar
To get events emailed to you directly, sign up for the Calendar eNotifications and then select the Calendar categories.
Rhythm on the River: A Festival of Music and Fun
Get Your Glow On!
- Date: 07/13/2019 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.