Free Day tickets are only available through this system, so we no longer accept walk-ins on Free Days.
Friday, January 6
Sunday, January 22
Sunday, February 5
Sunday, April 9
Saturday, October 7
Tuesday, November 7
Sunday, November 12
OPENS Sunday, March 26
CLOSES Saturday, April 1
Step 1: Check the chart below for lottery open dates.
Step 2: During the lottery registration period, click here to enter the lottery. The lottery will be active only during the open registration period.
Step 3: Winners will be notified by email, so check your inbox daily for your vouchers.
Step 4: If you win, you MUST click the link in the email to reserve your tickets and entry time.
Step 5: On your designated Free Day, bring your tickets to the Zoo—and have a great day!
THE FINE PRINT: You may register to win (5) free tickets per transaction. Limit one registration per person, per Free Day. Vouchers and tickets are available ONLINE ONLY. No tickets will be available at the Zoo gate. All guests must have a timed ticket for entry, including children 2 and under. Tickets are valid only for the specific Free Day and entry time you reserved.
FREE DAY | LOTTERY OPENS | LOTTERY CLOSES | WINNERS NOTIFIED |
Friday, January 6 | Monday, December 26 | Thursday, December 29 | Friday, December 30 |
Sunday, January 22 | Sunday, January 8 | Saturday, January 14 | Monday, January 16 |
Sunday, February 5 | Sunday, January 22 | Saturday, January 28 | Monday, January 30 |
Sunday, April 9 | Sunday, March 26 | Saturday, April 1 | Monday, April 3 |
Saturday, October 7 | Saturday, September 23 | Friday, September 29 | Monday, October 2 |
Tuesday, November 7 | Tuesday, October 24 | Monday, October 30 | Tuesday, October 31 |
Sunday, November 12 | Sunday, October 29 | Saturday, November 4 | Monday, November 6 |
If you’re a Denver Zoo member, fear not—we’re saving your spot! If you’d like to visit on a Free Day, simply use your membership to reserve your tickets as usual. As always, we’re looking forward to seeing you…and thank you for your support.