Halloween
Events in Longmont 2026
Longmont
Things to do on Halloween in Longmont
Must-attend annual halloween events
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FeaturedSat, 17 Oct, 2026 - 07:30 PMThe Three Leaches TheaterUSD 18
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Sat, 17 Oct, 2026 - 06:00 PMCarpenter Park Fields85+ Interested
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Fri, 30 Oct • 07:00 PMViewhouse Ballpark
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Fri, 30 Oct • 07:00 PM + 1 moreFillmore Auditorium Denver
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Sat, 17 Oct, 2026 - 12:00 PMHoliday Twin Drive-In55+ Interested
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Sat, 31 Oct, 2026 - 07:30 PMUSD 8
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Sat, 24 Oct, 2026 - 12:00 PMFall River Dr, Loveland, CO 80538, United States85+ Interested
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Sat, 31 Oct, 2026 - 08:30 PMUSD 18
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Thu, 29 Oct, 2026 - 07:30 PMUSD 8
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Sat, 24 Oct, 2026 - 07:00 PM333 East Wonderview Avenue, Estes Park, CO, United States, Colorado 80517327+ Interested
Halloween Parties in Longmont
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Sat, 31 Oct, 2026 - 09:00 PMPunch Bowl Social DenverUSD 12
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Sat, 31 Oct, 2026 - 08:00 PMUSD 18
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Sat, 31 Oct, 2026 - 07:00 PMRoots Music ProjectFree
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KID-FRIENDLY HALLOWEEN
Choose your pick for a kid-friendly scare.
Trunk or Treat events in Longmont
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Fri, 23 Oct, 2026 - 04:00 PMDick's Sporting Goods Park37+ Interested
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Fri, 23 Oct, 2026 - 04:00 PM3700 W 58th Pl, Arvada, CO 80003, United States52+ Interested
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Sat, 24 Oct, 2026 - 02:00 PM10001 W 58th Ave, Arvada, CO, United States, Colorado 8000215+ Interested
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Sat, 24 Oct, 2026 - 02:00 PM7225 Lowell Blvd, 8003081+ Interested
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Sat, 24 Oct, 2026 - 04:00 PM12421 Washington St. , Thornton, CO, United States, Colorado 8024113+ Interested
Pumpkin Patch in Longmont
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Sat, 24 Oct, 2026 - 11:00 AM15550 Highway 72, Arvada, CO 80007-8221, United States833+ Interested
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Sat, 24 Oct, 2026 - 10:00 AM11150 Prospect Rd, Longmont, CO, United States, Colorado 80504
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Sat, 24 Oct, 2026 - 01:30 PM555 N 11th Ave, Brighton, CO, United States, Colorado 8060164+ Interested
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Sat, 31 Oct, 2026 - 10:00 AM11150 Prospect Rd, Longmont, CO, United States, Colorado 805044+ Interested
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Sun, 01 Nov, 2026 - 10:00 AM11150 Prospect Rd, Longmont, CO, United States, Colorado 805046+ Interested
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Trick or Treat events in Longmont
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Sat, 24 Oct, 2026 - 12:00 PMFall River Dr, Loveland, CO 80538, United States85+ Interested
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Sat, 24 Oct, 2026 - 07:00 PM333 East Wonderview Avenue, Estes Park, CO, United States, Colorado 80517327+ Interested
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Sat, 31 Oct, 2026 - 01:00 PMVillage at the Peaks79+ Interested
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Featured
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Fri, 30 Oct, 2026 - 04:00 PMDowntown Greeley2147+ Interested
Costume Parties in Longmont
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Fri, 30 Oct, 2026 - 07:00 PMDowntown AquariumUSD 111
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Sat, 31 Oct, 2026 - 09:00 PMBierstadt LagerhausUSD 29
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Sun, 18 Oct, 2026 - 02:00 PMLong Table Brewhouse, Fairfax Street, Denver, CO, USAFree
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Bar crawls events in Longmont
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Fri, 30 Oct • 07:00 PMViewhouse Ballpark
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Sat, 31 Oct, 2026 - 07:30 PMUSD 8
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Sat, 31 Oct, 2026 - 08:30 PMUSD 18
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Thu, 29 Oct, 2026 - 07:30 PMUSD 8
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Sat, 31 Oct, 2026 - 01:00 PMUSD 8
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Fri, 30 Oct, 2026 - 07:30 PMUSD 8
Free halloween events in Longmont
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Sat, 31 Oct, 2026 - 03:00 PMOdell Brewing Five Points BrewhouseFree
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Wed, 28 Oct, 2026 - 07:00 PMFree
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