Castle Rock Halloween Events

Halloween events Happening Next in Castle Rock, CO

A Storybook Holiday: Wild Rumpus

 Douglas County Libraries - Philip & Jerry Miller Library 25 Oct 2025
HALLOWEEN USD 0 TO 29

Creepy Crawlies Around the Rock at Fall Festival

 Festival Park, Castle Rock 19 Oct 2025
FESTIVALS

Fangtastic Festival

 Festival Park ... Castle Rock 24 Oct 2025
TRICK-OR-TREAT