21 listed options in Boulder, with dates, costs, age guidance and direct organizer links. Choose a candy outing, costume event or seasonal plan that fits your group.
Coverage is curated, not exhaustive. Some listed dates may have passed; check each date before planning. Nearby towns are listed in their own city guides. Age restrictions and uncertain prices stay visible.
First-responder vehicles, decorated trunks and haunted hallways.
Location: 5600 Flatiron Parkway, Boulder, CO 80301
Cost: Free; timed registration required.
Age guidance: Children12 and under
Organizer details for Boulder County Trunk or Treat · Tickets or registration
Outdoor trick-or-treating from decorated trunks.
Location: 1820 15th Street, Boulder, CO 80302 (parking lot)
Cost: Admission price unconfirmed; organizer does not publish a charge.
Age guidance: Families
Costumes, carnival games, prizes, treats, refreshments, ninja obstacle room, mini golf, crafts and dancing at the recreation center.
Location: South Boulder Recreation Center, 1360 Gillaspie Drive, Boulder, CO 80305
Cost: $10 per person over age2; both children and adults over2 must register
Age guidance: Whole family; registration required for everyone over2
Organizer details for South Boulder Recreation Center Halloween Carnival · Tickets or registration
Decorated trunks, bounce house and photo booth.
Location: 1128 Pine Street, Boulder, CO 80302 (west parking lot)
Cost: Admission price unconfirmed; organizer does not publish a charge.
Age guidance: Families
Organizer details for First Congregational Church Trunk or Treat
Costumed downtown business trick-or-treating along Pearl Street.
Location: Pearl Street Mall, downtown Boulder, CO 80302; visitor reference: 1303 Pearl Street
Cost: Free.
Age guidance: Children12 and under
Pick pumpkins and browse seasonal produce at a working farm.
Location: 7455 Valmont Road, Boulder, CO 80301 (75th and Valmont)
Cost: Free entry; pumpkins and produce priced by the pound.
Age guidance: All ages
Gentle theatrical storytelling walk, without scary surprises.
Location: 999 Violet Avenue, Boulder, CO 80304
Cost: $35; children 2 and under free.
Age guidance: Toddlers through2nd grade
Organizer details for Shining Mountain Wonder Walk · Tickets or registration
Rocky Mountain Equality's youth Halloween party includes pumpkin crafts, tarot readings, drag, a costume contest, pumpkin murder mystery, prizes and dancing.
Location: Equality Center of the Rocky Mountains, 3340 Mitchell Lane, Boulder, CO 80301
Cost: Free; RSVP encouraged
Age guidance: Older children / teens ages12–18 only; not a young-child event
Organizer details for Slayin' in the Pumpkin Patch: A Murder Mystery Halloween Party · Tickets or registration
A ticketed costume crawl with multiple nights and a Saturday daytime option.
Location: Boulder, CO — check-in unconfirmed; organizer mentions Rosetta Hall, ticket listing says TBA
Cost: Organizer advertises nights from $15 ($20 Saturday) and day party from $15; verify chosen ticket/date.
Age guidance: 21+; valid government photo ID required
Organizer details for FrightCrawl — Boulder Halloween Weekend · Tickets or registration
Costumed Motown-and-soul dance party with a live seven-piece band.
Location: Roots Music Project, 4747 Pearl Street, Suite V3A, Boulder, CO 80301
Cost: From $29.63 on the live Eventbrite page
Age guidance: All ages according to organizer; alcohol service is 21+; specific ID policy not published
Organizer details for 6th Annual Motown Haunted Prom · Tickets or registration
A ticketed outdoor drive-in showing of Poltergeist at Boulder Reservoir.
Location: Boulder Reservoir, 5275 Reservoir Road, Boulder, CO 80301
Cost: Paid per-car reservation; current Poltergeist price unverified. Includes one movie, parking space and goody bag.
Age guidance: Horror film; not a young-child family recommendation. Check the exact film version and rating before booking.
Organizer details for Boulder Reservoir Drive-In: Poltergeist
An adults-only interactive screening with Colorado's Elusive Ingredient shadowcast.
Location: Boulder Theater, 2032 14th Street, Boulder, CO 80302
Cost: Advance general admission $23.16 including fees ($15 + $8.16 fees)
Age guidance: 18+ only; exact ID format not published on inspected event page
Organizer details for Rocky Horror Picture Show with Live Shadowcast — Early Show · Tickets or registration
Outdoor Halloween-season drive-in movie with a goody bag.
Location: 5275 Reservoir Road, Boulder, CO 80301
Cost: $10 per carload, including a goody bag.
Age guidance: Families
Organizer details for Boulder Reservoir Drive-In: Coco · Tickets or registration
Choose handmade pottery to glaze, then carve your own pumpkin with supplied tools, spiced cider, tea and a Halloween playlist.
Location: Throwing Mud at PINKY_NEON Studio & Gallery, 4949 N Broadway, Unit106, Boulder, CO 80304
Cost: $45; bring your own pumpkin
Age guidance: No experience required; minimum age and child-supervision rules unpublished—confirm with organizer
Organizer details for MUD SQUASH: Pottery Painting & Pumpkin Carving · Tickets or registration
Halloween ninja challenges, trampolines and aerial activities.
Location: 3022 East Sterling Circle, Boulder, CO 80301 (Frequent Flyers Studio)
Cost: $45.
Age guidance: Children ages5–12; costumes invited
Organizer details for Spooky Ninja Night · Tickets or registration
Halloween aerial performance, maker market and costume contest.
Location: 3022 East Sterling Circle, Boulder, CO 80301
Cost: $30 general admission plus any checkout fees.
Age guidance: All ages
Organizer details for Spooky Cabaret · Tickets or registration
Braden Carlisle hosts a Halloween edition combining magic and comedy for children and adults. Costumes are encouraged for an extra treat.
Location: Dairy Arts Center, Gordon Gamm Theater, 2590 Walnut Street, Boulder, CO 80302
Cost: $28.75–$40.25; verify selected ticket and final checkout
Age guidance: All ages; family-friendly content explicitly confirmed by venue
Organizer details for Boulder Magic Show: HALLOWEEN · Tickets or registration
A string quartet and piano introduce instruments and spooky musical stories through an interactive Curiosity Concert. Guests are invited to wear costumes.
Location: Grace Commons, 1820 15th Street, Boulder, CO 80302
Cost: $20 general admission; $5 children under12 and Boulder Symphony Music Academy students
Age guidance: Children of all ages and families
Organizer details for Boulder Symphony Halloween Spooktacular · Tickets or registration
Halloween-themed afternoon tea at historic Hotel Boulderado.
Location: 2115 13th Street, Boulder, CO 80302
Cost: Adults $65; ages 5–12 $45; ages 4 and under free; gluten-free/vegan tea $72. Tax and 20% service fee extra.
Age guidance: All ages
Organizer details for Witches Brew Halloween Tea · Tickets or registration
A four-course Maker's Mark dinner with progressive whiskey pairings, a brand representative and Halloween surprises in Ajax Tavern's private dining room.
Location: Ajax Tavern private dining room, Limelight Boulder, 1295 University Avenue, Boulder, CO 80302
Cost: Ticketed four-course whiskey-pairing dinner; current price not exposed in inspected restaurant primary text
Age guidance: Adult whiskey-pairing event; alcohol21+; confirm admission and ID rules
Organizer details for Ajax Tavern Maker's Mark Whiskey Dinner — Halloween Edition · Tickets or registration
Trident's third annual Halloween Punketry combines improvised punk by Black Market Translation and local spoken-word performers, with a costume contest at intermission.
Location: Trident Booksellers & Cafe, 940 Pearl Street, Boulder, CO 80302
Cost: Admission price not published in inspected organizer text; cafe purchases extra
Age guidance: Admission age and content suitability unverified; confirm with cafe. Not a youth recommendation.