COAL VALLEY, ILLINOIS (October 6, 2025) — BOO! It is Niabi Zoo’s annual celebration of Merry, not Scary Halloween Festivities. Our many generous local businesses will provide free treats to our Zoo guests. Wear your costumes, bring a smile, and enjoy the many annual Boo at the Zoo activities.
Boo at the Zoo Activity Hours | 10AM-3PM
Zoo Admission Hours | 10AM-5PM, Last entry @ 4PM
- Niabi Zoo Members and Funbundle Members get Free admission to this event.
- Please note that we cannot provide a separate entry line for members due to the high volume of guests visiting during Boo at the Zoo. Guests will be admitted on a first-come, first-served basis. Please have your membership card and ID ready if you are a member.
- If your membership has expired, click the button below to renew it today!
- Costumes are welcome, but they aren't required. Adults may wear costumes, but we ask that they be family-friendly (not scary). Since this event caters to small children, adults may NOT wear costume masks that cover the ENTIRE face.
