Halloween events in Castle Rock

Name: Fall Festival and Trunk or Treat
Start: 2026-10-23
End: 2026-10-23
Location: The Church of Jesus Christ of Latter-day Saints

Check out happening halloween events all around Castle Rock, CO

8 upcoming events Castle Rock, United States Updated 27 Sep 2026

All 8 events in Castle Rock

Fri, 30 Oct at 11:00 am Festival Park ... Castle Rock

TRICK-OR-TREAT

Sat, 10 Oct at 07:00 pm Philip S. Miller Park

NONPROFIT

Fri, 16 Oct at 07:00 pm Club 21 Halloween Dance Party

USD 15 FITNESS

Sun, 18 Oct at 04:00 pm 221 Perry St

USD 10 TO 18 FITNESS

Sat, 31 Oct at 11:00 am SOS Castle Rock

FREE FITNESS

Mon, 26 Oct at 09:00 pm Ecclesia Market

USD 34 TO 50 PARTIES

Fri, 23 Oct The Church of Jesus Christ of Latter-day Saints

FREE TRUNK-OR-TREAT

Fri, 23 Oct at 06:00 pm The Church of Jesus Christ of Latter-day Saints

FREE TRUNK-OR-TREAT