Boulder Halloween Events
Halloween events Happening Next in Boulder, CO
Melvin Seals & JGB feat. Liquid JPEG Halloween Light Show (2 Nights!) | Boulder Theater
Boulder Theater
31 Oct 2025
MUSIC
The Official Halloween Bar Crawl - Boulder
The Spotted James
1 Nov 2025
PARTIES
USD 13 TO 18
Waylon Wyatt
Fox Theatre - Boulder
31 Oct 2025
ART
2025 Boulder County Trunk or Treat
Boulder County Sheriff's Office
14 Oct 2025
HALLOWEEN
FREE
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Boulder Halloween Events