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.
Earth Day Celebration
- Date: 04/20/2019 10:00 AM - 3:00 PM
- Location: Museum
400 Quail Road
Longmont, Colorado 80501
Saturday, April 20, 10 am–3 pm
Celebrate Earth Day at this free community event featuring hands-on activities for kids, music and live performances, films, and talks highlighting sustainability and environmental issues. Learn more