Events calendar: Halloweekend, Oct. 30-Nov. 1, in Los Alamos and White Rock
LOS ALAMOS - Here are public events in Los Alamos and White Rock from Friday, Oct. 30, through Sunday, Nov. 1, taken from organizers' own calendars, including Los Alamos MainStreet's Halloweekend listing, PEEC's events page, Visit Los Alamos and the Los Alamos Public Library's program list. Check with the organizer before you go; details can change.
Friday, Oct. 30
- - 10 a.m.-noon: Fall Party (session 1), Family Strengths Network, Los Alamos.
- - 3-5 p.m.: Trick-or-treating, Los Alamos Medical Center, first floor and back lawn.
- - 3-6 p.m.: Sensory-friendly trick-or-treating, Las Cumbres Community Services. Free.
- - 3:30-7 p.m.: Costume climbing wall session for ages 5-17, Family YMCA.
- - 4-6 p.m.: Trick-or-Treat on MainStreet, Central Avenue, downtown Los Alamos (closed to vehicles).
- - 4-6 p.m.: High-Tech Halloween, Bradbury Science Museum. Free.
- - 4-6 p.m.: PEEC-A-BOO, Los Alamos Nature Center, 2600 Canyon Road. Free.
- - 4-7 p.m.: LAHS NJROTC Pumpkin Patch, Canyon School Complex, 885 Trinity Drive (last weekday hours; open Saturday 10 a.m.-7 p.m.).
- - At dusk, after Trick-or-Treat on MainStreet: Halloweekend After Party with s'mores, Mesa Public Library, 2400 Central Ave.
- - 7-8 p.m.: "Aliens!" planetarium show, Los Alamos Nature Center, 2600 Canyon Road. $8 adults, $6 children, $20 families.
- - 7-10 p.m.: Halloween Carnival for high school teens, Los Alamos Teen Center. Free.
Saturday, Oct. 31
- - 10 a.m.-noon: Fall Party (session 2), Family Strengths Network, Los Alamos.
- - 10 a.m.-1 p.m.: LAHS Softball kids' skill and development camp, Hope Field, Overlook Park, White Rock. $45, includes a water bottle.
- - 10 a.m.-7 p.m.: LAHS NJROTC Pumpkin Patch, final day, Canyon School Complex, 885 Trinity Drive.
- - 11-11:40 a.m.: "Black Holes" planetarium film, Los Alamos Nature Center, 2600 Canyon Road. $8 adults, $6 children, $20 families.
- - 11 a.m.-1 p.m.: Spooktacular Family Fun, Natural Grocers.
- - 1 p.m.: Voting closes in the Los Alamos Arts Council's 25th annual Scarecrow Contest; scarecrows are on display along Central Avenue.
- - 2-6 p.m.: Halloween blood drive with Vitalant, Los Alamos Teen Center.
- - 5-8 p.m.: 19th annual Trunk or Treat Fall Festival, White Rock Baptist Church.
- - 6-11 p.m.: Halloween Tubaoke and costume contest (costume contest at 9 p.m.; 21 and older afterward), Bathtub Row Brewing Co-op.
- - 7-9 p.m.: Lights Out in the Bookstore, Samizdat Bookstore & Teahouse.
- - 7-11 p.m.: Brad-buried Halloween Bash, adults only, Bradbury Science Museum. Admission by donation.
Sunday, Nov. 1
- - 7-11 a.m.: Sheriff's Posse Cowboy Breakfast, Sheriff's Posse Lodge, 650 N. Mesa Road. $10 ages 10 and up, $5 ages 4-10, free for ages 0-3.
- - 3-6 p.m.: Learn to Paint Skeleton Figures, Secret City Games, White Rock.
- Los Alamos MainStreet: Halloweekend 2026 event listing
- Pajarito Environmental Education Center: events
- Visit Los Alamos: events
- Visit Los Alamos: Los Alamos Sheriff's Posse Cowboy Breakfast
- Visit Los Alamos: LAHS Softball Kids Skill and Development Camp
- Los Alamos Arts Council: events calendar
- Los Alamos National Laboratory: Bradbury Science Museum expands High-Tech Halloween
- Los Alamos Public Library: Library Programs