9 a.m. to 4 p.m.
Saturdays & Sundays
Oct. 16-17 • Oct. 23-24 • Oct. 30-31, 2021

Halloweekends presented by SSM Health Cardinal Glennon Children's Hospital 

Free, daytime Zoo fun for families:

  • Pumpkin Stomp 'n' Chomp enrichment treats for the animals (pumpkins courtesy of Eckert’s Country Store & Farms)
  • Fall-themed food for purchase
  • Unique, non-scary Halloween decorations for photo opportunities
  • Zoo's daily schedule, exhibits and attractions (weather permitting)

Please check back to this page for more event details coming soon!

Zoo Reservations Required

Free, timed-ticket reservations required to visit the Zoo and Halloweekends. Reservations are available 7 days prior to visit. 

Make a free Zoo reservation & Plan your visit

Candy Shopping Guide

You can help wildlife by purchasing candy that contains sustainable palm oil. Use this candy list to help find wildlife-friendly treats.

Palm Oil Guide


  • SSM Health Cardinal Glennon Children's Hospital
  • Mid America Chevy Dealers
  • Eckert's Country Store & Farms

To learn more about sponsorship opportunities for Halloweekends or other Zoo events, please contact sponsorship@stlzoo.org.


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