Denver Zoo Community Free Days

Curated by Eventism: we track Denver's best events in one place so you never miss out. This is a curated listing — tickets are sold by the event's official organizer. Use the ticket link to buy on their official ticket page. Denver Zoo Conservation Alliance offers free general admission on Community Free Days, with free tickets available online only, released about two weeks before each free day, and not valid for walk-up entry at the door. Each person is eligible for up to five free tickets per day, while supplies last. Upcoming free days: Saturday, November 14 and Sunday, November 22, 2026; Friday, January 8, Monday, January 18 and Sunday, February 21, 2027.