Free Day at Denver Zoo

The Denver Zoo in Colorado has a free day on Tuesday, November  7, 2023. There will not be free walk-in tickets.

The zoo will have an online lottery for up to five free tickets from Tuesday, October 24, 2023 to Monday, October 30, 2023.  Winners will be notified on Tuesday, October 31, 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.