Free Day at Denver Zoo

The Denver Zoo in Colorado has a free day on Sunday, November  12, 2023. There will not be free walk-in tickets.

The zoo will have an online lottery for up to five free tickets from Sunday, October 29, 2023 to Saturday, November 4, 2023.  Winners will be notified on Monday, November 6, 2023.

The Denver Zoo is at 2900 East 23rd Avenue, Denver, Colorado 80205

Visit the Official Denver Zoo Free Day page to register for the lottery and learn more about the lottery process.