Best Halloween Events in San Bernardino County in 2026 for Family Fun

October is approaching, and that means pumpkin patches and Halloween activities. With Halloween-related celebrations starting as early as September, our guide will help you choose from the best Halloween events in San Bernardino County. This year, we have a monster-sized list for you. If you’re looking for activities with the kids and family or scary adventures for the grown-ups, there are lots of options from which to choose.

With fall in the air, you’ll find many special Halloween-themed events. And certainly don’t forget to get a pumpkin or a few for your home. It’s indeed an excellent time for family fun.

The Places Where We Go brings together an especially curated list of top-rated events you can schedule. The following list is in alphabetical order by city name throughout San Bernardino County.

Important Note: Please visit the websites of attractions before visiting for the latest information and particular guidelines that apply per listed attraction. Information may change after posting on our website.

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Check Out Our Post of Popular Halloween Costumes

Halloween Events Fontana

Fontana Halloween Howl

Bring your four-legged friends and join the Community Services Department. and enjoy this free event filled with treats, music, and a pet costume contest! hosted by the Jessie Turner Center at Fontana Dog Park.

Date: Saturday, October 18, 2025 (3:00 PM – 5:00 PM) (Not yet updated for 2026)
Location: Fontana Park – 15556 Summit Avenue, Fontana, CA 92336
Website: Fontana Halloween Howl

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Halloween Events Montclair

Montclair – Haunted Car Wash

Southern California’s thrilling Haunted Carwash returns this Halloween season, offering brave adventurers a spine-chilling drive-through experience. This immersive attraction features creepy performers, haunting special effects, and ghastly surprises—all from the safety of your vehicle.

The Haunted Carwash has become Southern California’s most talked-about seasonal tradition, combining the convenience of a car wash with unforgettable scares that guarantee both a clean car and heart-pounding memories.

Dates: October 17 – 26, 2025 (weekends only) (Not yet updated for 2026)
Location: Splash N Go Carwash – 4384 Holt Blvd., Montclair, CA
Website: http://www.thehauntedcarwash.com/

Halloween Events Ontario

Ontario – Community Halloween Events

October 18, 2025: Howl-O-Ween (9 AM – 12 PM) (Not yet updated for 2026)
Location: Schimmel Dog Park | 950 N. Cucamonga Avenue
All Ages | Free | No registration necessary

October 24, 2025: Trunk or Treat (4:30 PM – 8:00 PM) (Not yet updated for 2026)
Summary: A ghostly good night of fun, games, and treats with the Recreation & Community Services Department. Trunk entries needed
Location: Westwind Park – 2455 E. Riverside Drive
All Ages | Free | No registration necessary

October 30, 2025: Halloween Costume Parade & Contest (3:30 PM – 6:00 PM) (Not yet updated for 2026)
Location: Ontario Senior Center | 225 E. B Street
All Ages | No registration necessary

October 25 – November 2, 2025: Dia de los Muertos Community Altar & Procession (Not yet updated for 2026)
November 1, 2025: Procesion at 6 PM
Location: R. Jack Mercer Community Bandstand | Euclid Avenue & C Street
Summary: Participate by bringing your offering to Armstrong Community Center and add your story to the community altar. Community member can register for their own 10×10 space along Euclid Avenue median to decorate.
Open to all! Dress in your best Dia de los Muertos-themed attire.

Website: Ontario Community Events

Ontario – CHS Haunt Murder Castle

Chaffey Theatre Company presents CHS Haunt: Murder Castle, an immersive experience inspired by H.H. Holmes, America’s first prolific serial killer. Step into the chilling world of Holmes’ infamous “murder castle,” a specially constructed labyrinth used to carry out unspeakable crimes in the late 19th century. Explore its eerie twists and turns as you uncover the dark secrets that horrified a nation when police discovered graves and remains in its sinister depths. Are you ready to face this bone-chilling adventure?

Dates: October 23-31, 2026
Location: Chaffey Theater Company, 1245 N Euclid Ave, Ontario, CA
Website: CHS Haunt – Murder Castle

Halloween Events Rancho Cucamonga

Rancho Cucamonga – Spooktacular

The Rancho Cucamonga Spooktacular features carnival fun, a fun zone, and a free trunk and treat. Come decked out in your best Halloween costume. This Halloween-themed community event has activities for children and adults. Mark your calendar for a day of fun.

Families are encouraged to attend this fun-filled event and enjoy a free Trunk-or-Treat area collecting all the best Halloween goodies and candies, all decked out in their best Halloween costume(s). There’s also the opportunity to purchase a wristband to gain access to the Fun Zone area filled with carnival games, jumpers, and crafts!

Date: Saturday, October 25, 2025 (Not yet updated for 2026)
Time: 3:00 pm – 6:00 pm
Admission: $10
Location: RC Sports Center – 8303 Rochester Ave., Rancho Cucamonga, CA 91730

Halloween Events San Bernardino

San Bernardino – Escape Halloween

Escape Halloween is an annual electronic festival that promises to deliver spooky vibes and a top electronic lineup to festival attendees. The two-day event attracts all manner of ghoulish characters and costumed revelers who dance together under the watchful eye of the Resurgent Grimm. Immersive experiences, live performers, and freak sideshows add to the spooky ambiance of this nightmarish All Hallows’ Eve observance.

Standing as the largest Halloween music festival in the world, the world of Escape is vast and immersive. Fans can dance among Escape’s roaming performers, the Ringmaster’s Troupe, a host of formidable characters who haunt the grounds. Art can be found around every corner, from three-dimensional superstructures, to glow-in-the-dark environments, and technological feats of light, sound, and fire.

Date: October 30-31, 2026
Location: NOS Events Center – 689 S. E St., San Bernardino, CA, 92408
Admission: From $239.95
Website: https://escapehalloween.com/

Bookmark our San Bernardino County Halloween Events Guide

San Bernardino County offers many things to do between September and October to keep you in the Halloween spirit. We hope you’ve found this San Bernardino County Halloween Events directory helpful and wish you a wonderful holiday season. Thanks for visiting our website.

We hope to see you at the places where we go.

Julie & Art