Events 2018-11-01T18:22:42+00:00
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Special Events

Cosley Zoo hosts a variety of events every year, including the popular Run for the Animals in June and The Festival of Lights & Christmas Tree Sale in December.

Cosley Classic Aug 2017 event photo taken by Larry Kmiecik

Festival of Lights and Tree Sale

November 23 – December 30 | Cosley Zoo

A winter visit to Cosley Zoo has become a family tradition for many. Make it one of yours! Cosley Zoo is transformed into a winter wonderland with thousands of twinkling lights, an amazing selection of Christmas trees for you to purchase, hot chocolate, and holiday gifts. The Festival of Lights and Tree Sale begins the day after Thanksgiving (11/23/18) and continue through December 30.

The zoo is open 9A-9P daily; lights come on at 3P.

  • Zoo Admissions is free during the Festival of Lights and Tree Sale. Donations are greatly appreciated.
  • Cosley Zoo is closed on Thanksgiving, Christmas, and New Year’s Day
  • Cosley Zoo is open 9A-Noon on Christmas Eve and New Year’s Eve
Cosley Classic Aug 2017 event photo taken by Larry Kmiecik

Christmas Tree Lane — SOLD OUT

November 25 – December 1 | Cosley Zoo

Gather your scout group, friends, coworkers or family members to help decorate Cosley Zoo for the holidays! We provide a lit five foot tree; you provide wildlife-friendly ornaments and imagination. Trees are displayed through December.

Payment due upon reservation.

  • $50 per tree SOLD OUT
  • Limit 40 trees
  • Tree decorating to take place November 25-December 1
Cosley Classic Aug 2017 event photo taken by Larry Kmiecik

Santa’s Craft Corner

Saturday Nov. 24, Dec. 1 & 8 | 10A – 2P | Cosley Zoo

Skip the long line at the mall and visit Santa at the zoo. While you are here, make a craft or two and tour the zoo before you go. Admission includes crafts, refreshments, and of course, a visit with the man in red himself. Santa’s Craft Corner is held in the Kiebler Room, located on the second floor of the large barn.

  • No registration required
  • $5 per family
  • $3 for printed photo with Santa

Cosley Zoo Run for the Animals 5K/10K and 1/2-Mile Race Event

June 1, 2019 | 5K/10K Race Start: 7:30A | Downtown Wheaton

Support Cosley Zoo by participating in one of the Chicago suburbs’ largest and most popular 5K/10K runs!

2018 Race Results
CARA logo is linked to website (opens in new window)

Course Information

Race Map (PDF)
The course is USATF certified (#IL14055JW)

The Cosley Zoo Run for the Animals is certified by the Chicago Area Runner’s Association.
The 10K course is part of the Chicago Area Runner’s Association Circuit Series.

Run for the Animals slideshow opens on (link opens in new window)
Run for the Animals Slideshow

Interested in sponsoring an event?

Please contact:

Margie Wilhelmi
Director of Marketing

Benefiting Cosley Zoo – Proceeds from all events support Cosley Zoo and its activities, including educational programs and wildlife conservation.