Trick-or-Treat on MainStreet
Friday, Oct. 24, 2025, Central Ave. closes to pedestrian-only traffic and local businesses and organizations hand out candy to costumed families!
Businesses should be registered to distribute candy at their storefront or to set up a separate booth.
Business registration is now closed for the 2024 event.
We will contact you to let you know where to set up (you must provide your own table and chairs). For questions, please reach out to alison@losalamos.org.
The 2024 schedule can be found below and 2025 schedule will be updated as Halloween approaches. Check back here for all the Halloween events in Los Alamos and White Rock!
Halloweekend in Los Alamos, New Mexico
LOS ALAMOS HALLOWEEKEND: Oct. 24-26, 2025
Friday, October 25, 2024
10 a.m.-12 p.m.
Fall Party @ Family Strengths Network
Family Strengths Network, Los Alamos
Bring your littles for outdoor games, pumpkin painting (B.Y.O.P.), cookie decorating, trick-or-treating, and a costume runway!! Two days and times to choose from (Oct. 25 and 26).
3-5 p.m.
Trick-or-Treat with LAMC
Los Alamos Medical Center - First Floor and Back Lawn
The whole family is invited to stop by the local community hospital for delicious treats and a lot of fun! Many hospital departments will have themed booths and staff passing out candy to all who dare to enter.
4-6 p.m.
Trick-or-Treat on MainStreet
Downtown Los Alamos
Central Ave. in downtown Los Alamos opens to pedestrian-only traffic and businesses and organizations from within and outside the district hand out candy to costumed kids and families. A free, annual Los Alamos tradition!
PEEC-a-Boo
Los Alamos Nature Center
They'll be open for extended hours that day with sensory-friendly trick-or-treating, so come on by for candy between 4 – 6 p.m.! Free
High-Tech Halloween at the Bradbury
Bradbury Science Museum
From 4-6 p.m., visit during Trick-or-Treat on MainStreet for some spooky science fun!
5-7 p.m.
Costume Climb
The Family YMCA
Go climbing in your Halloween Costume at the Y! Ages 5-17. More info at www.laymca.org.
6-7 p.m.
Halloween Astronomy
Los Alamos Nature Center
Explore historic traditions of Halloween and their connections to astronomy and Ireland. $6 child/$8 adult/$20 family. More info at peecnature.org/events
7-10 p.m.
Halloween Carnival
Los Alamos Teen Center
Music, games, and lots of Halloween treats! Free and open to high school-aged teens.
Saturday, October 26, 2024
9 a.m.-11:30 a.m.
Pumpkin Splash
Los Alamos County Aquatic Center
Join us for this fun Halloween event- Diving for pumpkins! Pumpkin retrieval begins at 10 a.m., by age group. Swimming is allowed until 11 a.m.
Certain fees may apply.
Limit 150 participants.
10 a.m.-12 p.m.
Fall Party @ Family Strengths Network
Family Strengths Network, Los Alamos
Bring your littles for outdoor games, pumpkin painting (B.Y.O.P.), cookie decorating, trick-or-treating, and a costume runway!! Two days and times to choose from (Oct. 25 and 26).
10 a.m.-12 p.m.
Pumpkin Carving Party
Fuller Lodge
First 100 pumpkins are free (one per family). Bring your own pumpkin or buy one from the LAHS Choir Pumpkin Patch onsite. Drop off your pumpkin by 3 p.m. for display at the Pumpkin Glow.
4-5 p.m.
Pumpkin Glow: Pumpkin Toddle Time
Fuller Lodge
For very young children/less sensory experience.
Dusk - 9 p.m.
Los Alamos Arts Council Presents:
Pumpkin Glow and Contest 2024
Fuller Lodge
Drop off your pumpkin by 3 p.m. for display at the Pumpkin Glow.
This event is free to the public. For more information:
losalamosartscouncil.org/pumpkin-glow
6:30-8 p.m.
Little Theatre Ghost Hunt
Los Alamos Little Theatre, 1670 Nectar St.
Back by popular demand, the Little Theatre, Los Alamos Public Libraries, and the Department of Public Utilities will be hosting an opportunity to explore the Little Theatre space with thermal cameras!
More info at ladpu.com/dpu or LosAlamosLibrary.org
6:30-8:30 p.m.
Haunted Trail
Pueblo Canyon Inn, 199 San Ildefonso Rd., Los Alamos
Dare to brave the Haunted Trail at Pueblo Canyon! Local teens have transformed the forest path into a free, spine-chilling adventure. Wind your way through eerie scenes and startling surprises.
7:30 p.m.
Atomic Follies Halloween Show
Sheriff's Posse Lodge, 650 N. Mesa Rd.
Doors open at 7 p.m., show at 7:30 p.m. Live music with the band Syzygy and cabaret performances. Costume contest with prizes during intermission. Pi-239 Pizzeria will be selling pizza during the show. Donation only show: suggested amount of $15.
Sunday, October 27, 2024
3:30 p.m.
Jack O' Lantern Family Paint Night
Los Alamos Co-Op Market
$15/person, 10% Discount to Co-Op members. Register at www.lacanvasevents.com/in-person-paint-parties
Other Fall activities
Oct. 13 - Nov. 1
Downtown Los Alamos Scarecrow Contest
Central Avenue, Downtown Los Alamos
In collaboration with Los Alamos MainStreet and Creative District, Los Alamos Arts Council brings a bit of autumn fun to downtown Los Alamos every year by organizing the annual Scarecrow Contest. Since 2001, scarecrows made by local businesses, clubs, organizations, schools, families, and individuals have graced the walkway lamps along Central Avenue during the week before Halloween, and up to Nov. 1. This year's theme is "Decades." Check them out all around town!
To vote for your favorite scarecrow go HERE!
Oct. 14 - Oct. 31
LAHs NJROTC Pumpkin Patch
Canyon School Complex, 885 Trinity Drive
Weekdays 4 pm - 7 pm
Weekends 10 am - 7 pm
Oct. 19
2-6 p.m., Halloween Blood Drive
Los Alamos Teen Center
Join the Los Alamos Teen Center for their Annual Halloween Blood Drive. The Teen Center and its partners at Vitalant will be hosting a fun, monster-themed donation event. As always, there will be treats and goody bags for donors.
This opportunity is brought to you by the staff and teen volunteers of our JJAB-funded Youth Mobilizers program.
Oct. 19
3-6 p.m., Mountain Halloween Carnival
Mountain Elementary School, 2280 North Road
Haunted house, more than 25 games, cake walk, a bounce house, face painting, a costume contest, silent auction, a book fair, and vendors. $15 for unlimited play.
Oct. 20
2-6 p.m., Sip & Paint the Harvest Moon
Wolf & Mermaid Enchanted Cafe
$40/person, register at www.lacanvasevents.com/in-person-paint-parties
Nov. 2
10 a.m., YMCA's Dia De Los Muertos 5K
Los Alamos Co+op Market
Visit the website for more information:
https://laymca.org/dia-de-los-muertos
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Interested in being a sponsor?
Contact Jacquelyn Connolly at 505-661-4844 or jacquelyn@losalamos.org
Halloweekend Sponsors
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