Riverside Halloween Events 2026

Browse Halloween in Riverside

Illustration of a Halloween parade on a town street at dusk with a giant smiling pumpkin float and costumed children

RiversideFamily-Friendly Fall Activities44 family events

Illustration of an empty wheelchair on a stone path leading to a spooky old stone building under a full moon at night

RiversideHaunted Experiences17 haunted attractions

Illustration of a Halloween nightclub stage with a performer in a purple feathered costume, curtains, fog and pumpkins

RiversideHalloween Food, Drink, and Parties11 parties & tastings

Illustration of skeletons dancing in a street with glowing lanterns and pumpkins under a full moon at night

RiversideHalloween Movies, Theater, and Entertainment2 shows & screenings

Illustration of a town street at twilight with glowing windows, pumpkins, floating ghosts and a witch on a broom by the moon

RiversideUnique Halloween Events15 unique events

Editor's Picks

Illustration of a spooky old house with a glowing window on a hill under a full moon, with bare trees and gravestones (Castle Dark)

Castle DarkSep 25 – Nov 1Haunted theme park event with mazes, scare zones, and unlimited rides.

Illustration of a smiling guide holding a glowing lantern on a cobblestone street with ghosts and pumpkins at dusk (Riverside Ghost Tour)

Riverside Ghost TourWalking tour exploring downtown Riverside's darkest history, legends, and haunted landmarks.

Illustration of a cozy lantern lit patio at night where costumed figures toast frothy beer mugs at wooden picnic tables (Riverside Halloween Bar Crawl)

Riverside Halloween Bar CrawlSat, Oct 31Costumed pub crawl across multiple downtown venues with drinks and after-party

Illustration of a haunted house on a hill under a full moon, red light glowing from the doorway where a figure stands (CHS Haunt: Escape the Murder Castle)

CHS Haunt: Escape the Murder CastleOntario · Oct 23 – Oct 31Walkthrough haunt inspired by serial killer H.H. Holmes' infamous castle.

Illustration of a spooky haunted house under a full moon, with glowing windows, gravestones, bare trees and pumpkins (The Haunted Harvest)

The Haunted HarvestChino · Sep 25 – Oct 31Six haunted houses spread across a two-acre corn maze.

Illustration of a fall festival in a town square with a red roofed gazebo, striped booths, pumpkins and orange trees (Yucaipa Autumnfest)

Yucaipa AutumnfestYucaipa · Sat, Sep 26Free fall festival with live music, a car show, and haunted house.

Events Happening Soon

Sat17Oct Inland Empire Center Haunted Trunk N TreatFontana

Illustration of small cars parked at sunset with orange balloons, tiny houses on their roofs, a pumpkin and string lights (Inland Empire Center Haunted Trunk N Treat)

Thu29Oct Upland Annual Trunk or TreatUpland

Illustration of cars with open trunks decorated as tiny haunted houses with pumpkins and costumed kids at dusk (Upland Annual Trunk or Treat)

Sat31Oct SAMLARC Halloween Family FestivalRancho Santa Margarita

Illustration of clay figures walking past striped market stalls and pumpkins on a paved square with orange autumn trees (SAMLARC Halloween Family Festival)

Sat31Oct Beaumont Trunk or TreatBeaumont

Illustration of a row of cars with open trunks decorated for Halloween at sunset with balloons, pumpkins and costumed kids (Beaumont Trunk or Treat)

About Halloween in Riverside

Riverside celebrates Halloween 2026 around the Mission Inn and Main Street with haunted pub crawls and family-friendly pumpkin displays near the historic plaza.

Don't miss twilight ghost tours, costume parades, autumn markets, and supernatural fun that blend community festivals with spooky attractions for every age.