Howl-o-Ween Dog Costume Parade at The Morton Arboretum in Lisle

Halloween weekend in the western suburbs gets even more tail-wagging fun with the Howl-o-Ween Dog Costume Parade at The Morton Arboretum in nearby Lisle. This family-friendly event invites dog lovers from Naperville and beyond to celebrate the spooky season alongside their four-legged friends amid the Arboretum’s beautiful autumn scenery.

Whether you’re a longtime Naperville resident looking for a unique local outing or a visitor exploring DuPage County, this morning of canine costumes and community spirit promises memorable moments without straying far from downtown Naperville or the Riverwalk.

Why You Can't Miss Howl-o-Ween Dog Costume Parade at The Morton Arboretum in Lisle

The Morton Arboretum transforms into a dog-lover’s paradise on Saturday, October 31, 2026, from 9:00 AM to 12:00 PM. Bring your costumed pup to join the parade, snap photos among the fall foliage, and enjoy a lighthearted break from everyday routines at the Arboretum in Lisle.

What to Expect

Expect a festive dog-themed spooktacular featuring a costume contest, trick-or-treating opportunities, complimentary pup cups, pet-friendly vendors, and plenty of Halloween photo spots. Guests can stay after the main event to enjoy the Arboretum’s grounds, with dog admission hours continuing until sunset.

• Dog costume contest; stick around to see who wins first prize
• Complimentary pup cups for your four-legged family members
• Trick-or-treating and seasonal photo opportunities
• Local vendors offering handcrafted goods and dog treats
• Stunning fall foliage backdrop for the whole family

Tickets

Every dog needs its own dog admission ticket for Saturday, October 31: $7 for guest dogs and $6 for member dogs. Arboretum members do not need general admission but must still buy dog tickets. Guests who are not members add dog tickets to their cart when they buy Arboretum general admission for October 31, which is sold separately. The event page does not list the general admission price, and Arboretum ticket prices vary by date, so check the official event page for current prices. General admission costs $2 less per ticket when you buy online.

An Easy Halloween Outing Near Naperville

Looking for things to do near Naperville on Halloween? The Morton Arboretum sits just north of I-88 on Illinois Route 53 in Lisle, a short drive east of Naperville. It’s an easy, pet-centric alternative to the usual downtown Naperville haunts or a stroll along the Riverwalk, giving families and dog owners a fresh way to celebrate Halloween together.

Plan Your Visit

The Morton Arboretum is located at 4100 Illinois Route 53, Lisle, IL 60532, and parking at the Arboretum is free. Dogs must be attended and on a leash at all times, and all dogs must have updated vaccinations and registrations. Keep dogs on the marked trails and clean up after your pet; bags are available at the Visitor Center.

• Check the official listing at mortonarb.org for the latest ticket details before you go
• Portable restrooms are available in several parking lots for convenience
• Dogs are not permitted in certain areas such as the Children’s Garden or Visitor Center
• Seasonal fall concessions are in Arbor Court Fridays through Sundays from 11:00 a.m. to 3:30 p.m.

Mark your calendar for this paws-itively delightful morning and make Howl-o-Ween at The Morton Arboretum part of your Halloween plans. Head to the official site to learn more and prepare for a day of tail-wagging fun.

Event Details At-A-Glance

• When: Saturday, October 31, 2026, 9:00 AM to 12:00 PM
• Where: The Morton Arboretum, Lisle
• Address: 4100 Illinois Route 53, Lisle, IL 60532, United States
• Organizer: The Morton Arboretum
• Phone: 630-968-0074
• Dog tickets: $7 guest dogs, $6 member dogs; Arboretum general admission sold separately
• Tickets / info: Get details

Dates, times, and pricing can change. Confirm the latest details on the official event page before making plans.

Looking for more? Explore other things to do in Naperville or browse the full Naperville events calendar.