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The next National CleanUp Day is Saturday, September 19, 2026. Join us cleaning up every #ThirdSaturday.

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National CleanUp Day & Clean Trails

1312 17th Street,

Denver, CO, 80202,

United States

720.985.8600 info@nationalcleanupday.org

Hours

Mon All Day

Tue All Day

Wed All Day

Thu All Day

Fri All Day

Sat All Day

Sun All Day

Programs

Overview Tailored CleanUp Global Cleanup Map CleanUp Ambassadors Earth Day Great Global CleanUp® Clean Trails World CleanUp Day Dia Nacional de Limpieza National CleanUp Plan Environmental Alliance

Partners

All Partners Planet Oat World CleanUp Day Cleanify Keep America Beautiful Earth Day National Wildlife Federation Goes Health Katoa Rubbish Garbo Grabber Freudenberg International Cleaning Week 1% for the Planet

National CleanUp Day® is an initiative of Clean Trails, Inc. a Denver, Colorado based 501(c)3 non-profit.