Louisville Halloween Events & Fall Outings 2026

10 listed options in Louisville, 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.

Explore Louisville on the map →

Trick-or-treating

Trunk or Treat off McCaslin

2026-10-25 · 11 AM–1 PM · Mountain Time

Treats, music and food at Ascent Community Church.

Location: 550 S McCaslin Blvd, Louisville, CO

Cost: Admission fee not explicitly stated
Age guidance: Family-friendly; numeric age limits not published

October 22 registration deadline applies to trunk hosts, not attendees.

Organizer details for Trunk or Treat off McCaslin

Source checked 2026-10-14

Pumpkin patches & corn mazes

7th Generation Farm Pumpkin Patch & Fall Festival

2026-10-15 · 2026-10-16 · 2026-10-17 · 2026-10-18 · 2026-10-22 · 2026-10-23 · 2026-10-24 · 2026-10-25 · 2026-10-29 · 2026-10-30 · 2026-10-31 · 2026-11-01 · Thursday–Sunday, 9 AM–6 PM · Mountain Time

Pumpkin patch, hayrides, kids’ mazes, hay mountain, animals and games.

Location: 100 S 96th St, Louisville, CO 80027

Cost: $10 per person ages 3+; pumpkins and extras separate
Age guidance: Family-friendly; numeric age limits not published

Use current 100 S 96th Street location, not the older Courtesy Road address. Service animals only. See 2026 ticket page for admission.

Organizer details for 7th Generation Farm Pumpkin Patch & Fall Festival · Tickets or registration

Source checked 2026-10-14

Festivals & parades

Agents of Discovery: Spooky Science

2026-10-15 · 2026-10-16 · 2026-10-17 · 2026-10-18 · 2026-10-19 · 2026-10-20 · 2026-10-21 · 2026-10-22 · 2026-10-23 · 2026-10-24 · 2026-10-25 · 2026-10-26 · 2026-10-27 · 2026-10-28 · 2026-10-29 · 2026-10-30 · 2026-10-31 · Self-guided throughout October; use daylight and posted trail hours · Mountain Time

A free app-based outdoor October mission.

Location: North Open Space, Louisville, CO 80027

Cost: Free app-based mission
Age guidance: Kids and families

Official page identifies Spooky Science at North Open Space, with new missions November 1. Download at home. Exact starting point/street address remains unverified; no city-center pin.

Organizer details for Agents of Discovery: Spooky Science

Source checked 2026-10-15

Halloween Silent Discos — Louisville Underground

2026-10-23 · All ages 6–7:30 PM; separate 21+ party 8:30–11 PM · Mountain Time

Costume contests and headphone dancing with separate family and adult tickets.

Location: 640 Main Street, Louisville, CO 80027

Cost: Family standard youth ticket $16 before any checkout fees; adult price unconfirmed. Buy the correct session.
Age guidance: Family session all ages; late session strictly 21+; minors supervised by adult

Counted once; these are distinct age-ticket options for the same program, not two inflated event counts. Current organizer Eventbrite pages display Get tickets and no sold-out notice. Standard youth ticket $16; September early-bird offer expired. Adult and final fee-inclusive price not established.

Organizer details for Halloween Silent Discos — Louisville Underground · Tickets or registration

Source checked 2026-10-15

Costume parties & contests

Murder Mystery Dinner Party — The Jasmine Bar

2026-10-29 · 6–9 PM · Mountain Time

A Halloween-week mystery dinner.

Location: 836 1/2 Main Street, Louisville, CO 80027

Cost: Price not stated in the verified source; confirm with organizer.
Age guidance: Age requirement not published in chamber listing

Date/time from current chamber calendar; exact menu, price, tickets and age requirement have not been verified. Do not promise a reservation or available seat. Adult-planning classification does not establish an adults-only admission rule; consult stated age policy.

Organizer details for Murder Mystery Dinner Party — The Jasmine Bar

Source checked 2026-10-15

Halloween Party — My Nature Lab

2026-10-31 · 10 AM–4 PM · Mountain Time

My Nature Lab announces its Halloween party.

Location: 1100 Pine Street Unit B, Louisville, CO 80027

Cost: Price not stated in the verified source; confirm with organizer.
Age guidance: Age limits not yet published; nature education venue

Organizer confirms date/time but says details forthcoming; party admission price, activities and reservation requirements are not yet published. Do not assume regular open-lab pricing or free admission applies. Adult-planning classification does not establish an adults-only admission rule; consult stated age policy.

Organizer details for Halloween Party — My Nature Lab

Source checked 2026-10-15

Nightmare on Main Street — The Jasmine Bar

2026-10-31 · Doors 7 PM; party 9 PM; calendar ends 11:55 PM · Mountain Time

Halloween dancing, costumes and a themed photo experience.

Location: 836 1/2 Main Street, Louisville, CO 80027

Cost: Price not stated in the verified source; confirm with organizer.
Age guidance: 21+ with valid ID

Current event header and chamber 2026 calendar agree October 31. Body incorrectly says Friday; linked shop reuses 13 th-year text and an 8 PM door time versus 7 PM current event. Use current event timing provisionally; confirm ticket details before purchase. No price or guaranteed capacity claimed.

Organizer details for Nightmare on Main Street — The Jasmine Bar

Source checked 2026-10-15

Haunted houses & spooky experiences

Stories in the Dark — Louisville Historical Museum

2026-10-22 · 7 PM start; end time not verified from accessible primary page · Mountain Time

Seasonal museum storytelling.

Location: 1001 Main Street, Louisville, CO 80027

Cost: Price not stated in the verified source; confirm with organizer.
Age guidance: Age limit not verified for 2026

Official museum page and its linked URL confirm October 22 at 19:00. Detailed calendar is security-blocked, so admission/registration availability/end time/age limit remain unknown; do not reuse old 2025 details.

Organizer details for Stories in the Dark — Louisville Historical Museum · Tickets or registration

Source checked 2026-10-15

Crafts, games & shows

MonsterDash — Louisville Movie Monsters Run

2026-10-25 · Half marathon 9 AM; 5 K/10 K 10 AM; kids mile 11:30 AM · Mountain Time

Halloween race with costume and pie-eating contests.

Location: Community Park, 955 Bella Vista Drive, Louisville, CO 80027

Cost: Kids mile $17.59, 5 K $43.50, 10 K $48.75, half $75.85 including listed fees; final checkout controls.
Age guidance: All welcome; separate kids mile

Louisville date and distances verified on current organizer registration page; Denver race is separate October 24. Official city sources verify park address. No registration was submitted.

Organizer details for MonsterDash — Louisville Movie Monsters Run · Tickets or registration

Source checked 2026-10-15

Halloween Trivia & Annual Costume Contest — Crystal Springs Brewing

2026-10-27 · 6 PM; end time not published · Mountain Time

Halloween-themed trivia and a costume contest.

Location: 604 Main Street, Louisville, CO 80027

Cost: Price not stated in the verified source; confirm with organizer.
Age guidance: Admission age policy not published; alcohol 21+ only

Dated chamber October 2026 program plus brewery official contact page verify venue; entry cost and age policy remain unknown.

Organizer details for Halloween Trivia & Annual Costume Contest — Crystal Springs Brewing

Source checked 2026-10-15