Halloween Aglow at Birch Aquarium

October 24-25: Trick-or-treat, play games, and see underwater pumpkin carving at Birch Aquarium’s Halloween Aglow.

Dates:
Location:
Birch Aquarium 2300 Expedition Way, La Jolla, CA
+ Google Map
Cost:
$35 – $40

Boonion Station at Union Station LA

October 25: Enjoy trick-or-treating, crafts, dancing, and a costume contest at the 6th Annual Boonion Station Halloween celebration at Union Station in LA. FREE!

Dates:
Location:
Union Station Los Angeles 800 N Alameda St., Los Angeles
+ Google Map
Cost:
Free

Halloween Street Fest at the Whittier Museum

October 25-26: Trick-or-treat, see cool cars, and explore the Whittier Museum’s haunted “Folklore Gone Wrong” maze at the Halloween Street Fair and Car Show. FREEish!

Dates:
Location:
Whittier Historical Society & Museum 6755 Newlin Ave., Whittier, CA
+ Google Map
Cost:
Free

Pumpkin Diving in Mission Viejo

October 25: Jump in and pick your pumpkin as the Sierra pool is transformed into a floating pumpkin patch. Decorate your pumpkin and play fun carnival games.

Dates:
Location:
Sierra Recreation Center 26887 Recodo Lane, Mission Viejo, CA
+ Google Map
Cost:
$5 – $10

The Anaheim Fall Festival & Halloween Parade

October 25: Celebrate Anaheim’s Fall Festival with costume contests, live music, vendors, and a returning classic car show—then stay for the famous Halloween Parade at 7 PM. FREE!

Dates:
Location:
Anaheim Fall Festival & Halloween Parade Center St., Anaheim, CA
Cost:
Free

Harbor Hayride at Ocean Institute in Dana Point

October 25: Enjoy live music, apple cider, temporary tattoos and trick-or-treating all while cruising the beautiful Dana Point Harbor on the R/V Sea Explorer.

Dates:
Location:
Ocean Institute 24200 Dana Point Harbor Drive, Dana Point, CA
+ Google Map
Cost:
$40

Autumn Festival at San Diego Zoo Safari Park

Weekends, October 4-26: Celebrate the season with wildlife, special entertainment, and culinary comforts. Meet Robert the Zebra, Safari Parker, hoedown with not-so-scary scarecrows, enjoy live music, navigate through a maze, and more.

Dates:
Location:
San Diego Zoo Safari Park 15500 San Pasqual Valley Road, Escondido
+ Google Map

Boo at the Zoo at The Teaching Zoo at Moorpark College

October 18-19 & 25-26: Enjoy two weekends of family fun with interactive trick or treating, pumpkin bingo, photo opportunities, wildlife programs & meet & greets. 

Dates:
Location:
The Teaching Zoo at Moorpark College 7075 Campus Road, Moorpark
+ Google Map
Cost:
$10 – $15

Boo at The Zoo at Wild Wonders

October 18-19 & 25-26: Join Wild Wonders for some spooky fun the last two weekends in October. Go on a flashlight tour to see nocturnal animals, plus enjoy candy stations and apple cider.

Dates:
Boo at The Zoo at Wild Wonders
Location:
Wild Wonders 5712 Via Montellano, Bonsall, CA
+ Google Map
Cost:
$23.32 – $44.52

Boo at the LA Zoo

October 18-19 & 25-26: The Halloween spirit will be in full swing with trick-or-treating stations featuring premium Mars candies, plus animal pumpkin feedings, themed photo ops, education stations, an extinct animal graveyard, and more. Costumes are encouraged!

Dates:
Location:
Los Angeles Zoo 5333 Zoo Drive, Los Angeles, CA
+ Google Map

Boo at the Santa Ana Zoo

October 18-19 & 25-26: Halloween family festival including trick-or-treating, lights & decorations, nocturnal animal presentations, scavenger hunt, and rides (ride tickets required).

Dates:
Location:
Santa Ana Zoo 1801 E. Chestnut Ave., Santa Ana
+ Google Map
Cost:
$30 – $35

Pumpkin Patch & Fall Fun Fest at Santa Anita Park

October 25-26: Enjoy pony rides, pumpkin painting, inflatables, games, and more at Santa Anita Park’s Pumpkin Patch & Fall Fun Fest.

Dates:
Location:
Santa Anita Park 285 W. Huntington Drive, Arcadia
Cost:
$5

Fairbrook Manor Home Haunt in Long Beach

October 18-19 & 25-26: Pack up your family and friends and visit Fairbrook Manor for spooky photo ops, laughs, and screams. This home haunt in Long Beach welcomed 3,200 guests last year.

Dates:
Location:
Fairbrook Manor 5426 E. Fairbrook St., Long Beach, CA
+ Google Map

Monster Dash 5K & Creepy Crawl Fun Run in San Clemente

October 25: Run through downtown San Clemente in the Monster Dash 5K & Creepy Crawl, featuring live music, costumes, and a pancake breakfast.

Dates:
Location:
San Clemente Community Center 100 N. Calle Seville, San Clemente
+ Google Map

YMCA of OC Trunk or Treats

October 17-25: Families can enjoy safe trick-or-treating, decorated trunks, costumes, games, music, and plenty of festive fun at branches across the county. October 17: Newport Beach • October 18: Laguna Niguel • October 24: Huntington Beach • October 24: Mission Viejo • October 25: Fullerton. FREE!

Dates:
YMCA of OC Trunk or Treats
Location:
Orange County
Cost:
Free

Spooky Splash at Heal the Bay Aquarium in Santa Monica

October 25–26: Explore tide pools, meet sharks and eels, and craft creepy creations during Spooky Splash at Heal the Bay Aquarium in Santa Monica.

Dates:
Location:
Heal the Bay Aquarium 1600 Ocean Front Walk, Santa Monica
+ Google Map

Autumn in the Garden at the Fullerton Arboretum

October 25: Enjoy trick-or-treating, discovery stations, and a composting workshop during Autumn in the Garden at the Fullerton Arboretum. FREE!

Dates:
Location:
Fullerton Arboretum 1900 Associated Road, Fullerton, CA
+ Google Map
Cost:
Free

Water Harvest at the Recycling Facility in El Segundo

October 25: Explore tours, exhibits, and hands-on demos on water conservation during Water Harvest 2025 in El Segundo. FREE!

Dates:
Location:
Edward C. Little Water Recycling Facility 1935 S. Hughes Way, El Segundo, CA
+ Google Map

Halloween Zoo-tacular at OC Zoo

October 25: Visit the OC Zoo for a scavenger hunt, trick-or-treating, and spooky crafts.

Dates:
Location:
OC Zoo in Irvine Park 1 Irvine Park Road, Orange
+ Google Map
Cost:
$2

Festival of Flight at Long Beach Airport

October 25: Explore aircraft on static display, enjoy live music, activities for kids, food and beer trucks, and helicopter rides for purchase. FREE!

Dates:
Location:
Long Beach Airport - Festival of Flight (Cherry Entrance) 3590 E. Wardlow Road, Long Beach, cA
+ Google Map
Cost:
Free

Haunted Jail at the Cerritos Sheriff’s Station

October 25: Cruise into the Cerritos Haunted Jail & Car Show for spooky cars, vendors, a kid zone with Paw Patrol fun, and family activities all day long.

Dates:
Location:
Cerritos Sheriff's Station 18135 Bloomfield Ave., Cerritos, CA
+ Google Map

I-Spy Halloween Train Ride & Festival Griffith Park Southern Railroad in LA

October 25–26 & November 1–2: Take a festive train ride through Griffith Park, spot hidden pumpkins, and play games during the I-Spy Halloween Train Ride & Festival in Los Angeles. $10 per person.

Dates:
I-Spy Halloween Train Ride & Festival Griffith Park Southern Railroad in LA
Location:
Griffith Park 4730 Crystal Springs Drive, Los Angeles, CA
+ Google Map
Cost:
$10

Monster Mash at the Academy Museum of Motion Pictures

October 25: Meet movie monsters, see live makeup demos, and join spooky tours during Monster Mash at the Academy Museum of Motion Pictures. FREE with admission!

Dates:
Location:
Academy Museum of Motion Pictures 6067 Wilshire Boulevard, Los Angeles, CA
+ Google Map
Cost:
Free

Boo at the Bay: Family Halloween Party at Upper Newport Bay

October 25: Visit the Peter and Mary Muth Interpretive Center for a fun family Halloween party featuring spooky stories, creepy crafts, wacky science experiments, bizarre animals, and hair-raising games.

Dates:
Location:
Peter and Mary Muth Interpretive Center 2301 University Drive, Newport Beach, CA

Japan Family Day in Santa Anita Park in Arcadia

October 25–26: Celebrate Japanese culture with live Taiko drums, cosplay, food, and family fun at Japan Family Day at Santa Anita Park.

Dates:
Location:
Santa Anita Park 285 W. Huntington Drive, Arcadia
+ Google Map
Cost:
$11.02

Floating Pumpkin Patch at Splash! La Mirada Regional Aquatics Center

October 25: Jump into the pool, choose a pumpkin to take home or decorate, and enjoy festive crafts and ghostly delights.

Dates:
Location:
Splash! La Mirada Regional Aquatics Center 13806 La Mirada Boulevard, La Mirada, CA
Cost:
$10

Pumpkins by the Sea at Seaside Lagoon in Redondo Beach

October 25: Enjoy games, treats, prizes, and a seaside costume parade for all ages during Pumpkins by the Sea at Seaside Lagoon in Redondo Beach. FREE!

Dates:
Location:
Seaside Lagoon 200 Portofino Way, Redondo Beach, CA
+ Google Map
Cost:
Free

Haunted Hangar at Yanks Air Museum

October 25: Trick-or-treat among vintage aircraft with free entry for kids in costume and fun Halloween activities at Yanks Air Museum.

Dates:
Location:
Yanks Air Museum 15121 Stearman Drive, Chino, CA
+ Google Map

Harvest Festival at Los Cerritos Park in Long Beach

October 25: Enjoy pumpkin decorating, Trunk or Treat, crafts, and country line dancing at the Harvest Festival in Los Cerritos Park. FREE!

Dates:
Location:
Los Cerritos Park - Bixby Knolls 3750 Del Mar Ave., Long Beach, CA
+ Google Map
Cost:
Free

Disclaimer: The Kidsguide team does their best to keep event details accurate at the time of posting, but information can change without notice! Be sure to double-check with the event organizer before heading out. Kidsguide is not responsible for any errors, omissions, or changes on our calendar—we’re just here to help you find the fun!