Trick Or Treat Events in Longmont 2026
Explore The Best Of Halloween Trick Or Treat Events & Celebrations in Longmont
First Friday Makers' Markets
667 4th Ave
3 Apr 2026
FREE
St. Vrain Trunk or Treat / Fall Festival
The Church of Jesus Christ of Latter-day Saints
24 Oct 2026
FREE
Highland Lake Fall Activity
The Church of Jesus Christ of Latter-day Saints
30 Oct 2026
FREE
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Trick-or-treat in Longmont