Clean Up Green Up 2026

To register and sign the waiver, please click "Register" above. 

Unassigned Litter Clean Up Hot Spots:

(Last updated 4/21)

• Stephen Day Park (best for a group)
• Garden Acres Park (best for a group)
• McIntosh Lake - Flanders, Dawson (best for a small group)
• Loomiller Park (best for a small group)
• Carr Park (best for a small group)
• All greenways - please stay off of steep terrain and out of water
• Athletic Field Park
• Collyer Park 
• Lanyon Park
• Affolter Park
• Thompson Park
• Hover Acres Park
• Clover Meadows Park

Trash bags and gloves are available for "check out" at the Longmont Library during Clean Up Green Up. Community groups, businesses, schools, neighborhoods, families and individuals can participate. Volunteers choose a neighborhood, a park, a trail, an open space or a street to clean up. 

For larger groups, the Clean Up Green Up coordinator can help arrange location and a bulk order of bags and gloves. For this service, please email post.volunteer@longmontcolorado.gov or click the "message" button to the right. 

NOTE: Volunteers are also welcome to organize trash clean up events throughout the rest of the year through the Adopt-A-Park Program