Halloween Events & Activities in the Treasure Valley 2026

Looking for ways to celebrate Halloween in the Treasure Valley? Here's a roundup of local events and activities to add to your calendar.

 

Boo at the Zoo | Boise

Saturday–Sunday, October 24–25 | 10 AM–5 PM

Zoo Boise's annual Halloween celebration features trick-or-treat stations throughout the zoo, costume contests, face painting, and seasonal activities. Visitors can also see Halloween-themed enrichment activities for the animals. Regular zoo admission applies.

Location: Zoo Boise, Julia Davis Park, Boise

Event Information

 

YMCA Halloween Run | Boise

Saturday, October 24 | Morning

The YMCA Halloween Run offers a festive way to get outside, with a half marathon, Freaky 5K and Monster Mile. Costumes are encouraged, making it a fun option for runners, walkers, and families.

Location: Ann Morrison Park, Boise

Event Information

 

JUMP-or-Treat | Boise

Saturday, October 24 | 5–8 PM

JUMP's annual Halloween event includes trick-or-treating, an inflatable forest, costumes, and family activities. The event is free and takes place at JUMP in downtown Boise.

Location: JUMP, 1000 W Myrtle Street, Boise

Event Information

 

Night of a Thousand Pumpkins | Eagle

Saturday, October 24 | 6–9 PM

Eagle's annual Night of a Thousand Pumpkins brings hundreds of carved jack-o'-lanterns to the City Hall campus. Along with the pumpkin displays, visitors can enjoy a haunted City Hall, trunk-or-treat, chili cook-off, food trucks, and family activities. Admission is free.

Location: Eagle City Hall, 660 E Civic Lane, Eagle

Event Information

 

Boise State Symphony Halloween Spook-tacular | Boise

Wednesday, October 28 | 7:30 PM

The Boise State Symphony presents a Halloween-themed orchestral performance at the Morrison Center, offering a musical addition to the week's festivities.

Location: Morrison Center, Boise

Event Information

 

Spooky Safari at Zoo Boise | Boise

Thursday, October 29 | 6–8:30 PM

For an adults-only Halloween outing, Zoo Boise's Spooky Safari offers an evening experience at the zoo, with after-hours access and seasonal activities.

Location: Zoo Boise, Julia Davis Park, Boise

Event Information

 

Boise Philharmonsters: A Spooky Symphony | Boise

Saturday, October 31 | 2 PM

The Boise Philharmonic presents a Halloween-themed concert for families, with trick-or-treating before the performance. Costumes are encouraged.

Location: Centennial High School, Boise

Event Information

 

Haunted Halloween Trolley Tours | Boise

Select Nights in October

Discover a different side of Boise on a Halloween-themed trolley tour featuring local ghost stories, historic sites, and tales from the city's past. Tour availability and reservations vary by date.

Location: Boise

Event Information

 

Scarecrow Stroll at Idaho Botanical Garden | Boise

Through November 2

The Idaho Botanical Garden's Scarecrow Stroll features creative scarecrow displays made by local schools, families, and organizations. Visitors can see the displays while exploring the garden during regular operating hours. The experience is included with garden admission.

Location: Idaho Botanical Garden, 2355 Old Penitentiary Road, Boise

Event Information

 

Fright Nights at the Old Idaho Penitentiary | Boise

Friday–Saturday, October 30–31 | 7–11 PM

The Old Idaho Penitentiary hosts two nights of Halloween programming featuring haunted cellblocks, eerie performances, and experiences throughout the historic prison grounds. October 30 is open to all ages, although recommended for ages 13 and older. The October 31 event is restricted to adults 18 and older. Tickets are $30.

Location: 2445 Old Penitentiary Road, Boise

Event Information

 

The Rocky Horror Picture Show | Boise

Saturday, October 31 | 9 PM

The Egyptian Theatre hosts a Halloween screening of The Rocky Horror Picture Show, featuring a live shadow cast and costume contest. This event is for ages 18 and older.

Location: Egyptian Theatre, 700 W Main Street, Boise

Event Information

 

Meridian Trunk or Treat | Meridian

Thursday, October 22 | 6–9 PM

Downtown Meridian hosts one of the area's larger community trick-or-treat events, with more than 90 participating local businesses handing out candy. The evening also includes music, live performances, dancing, and activities for families. Admission is free.

Location: Meridian City Hall Plaza, 33 E Broadway Avenue, Meridian

Event Information

 

Spooky Lights Drive-Through | Meridian

October 9–30 | 7–9:30 PM

Roaring Springs hosts a drive-through Halloween light show featuring synchronized lights and music played through your car radio. The experience is family-friendly, with admission starting at $29.99 per vehicle before fees.

Location: Roaring Springs, 400 W Overland Road, Meridian

Event Information

 

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