Arcata Halloween on the Plaza Trunk or Treat

October 31, 2025, 3-6 p.m.

Plaza, 9th & G Streets
Free, facebook.com/ ArcataChamberCA or arcatachamber.com

They'll be blocking off the plaza for a safe and fun evening of trick-or-treating! Businesses around the Arcata Plaza and down H Street from 11th to 8th are encouraged to open their doors, have sales, hand out pre-packaged goodies, and get spooky!! More details coming soon!

Arcata Plaza Downtown's Main street is the center of Trick or Treat fun on Halloween Day. Set Up and Street Closures start around 3 p.m. for the 4 p.m. opening of the event. The Trunk or Treat event requires sign up by trunkers handing out candy. There will be a contest for best trunk decoration. No fees charged. Trick or Treating for kids is free.

Haunted Kinetic Lab of Horrors

October 24, 25, 30 & 31, 2025, 7 p.m.-12 a.m.

Kinetic Sculpture Lab
Eighth and N Streets
Arcata, CA
707-822-4805
$15 tickets sold at gate, ages 13 & older, kineticsculpturelab.com

Live music. A nightly scare-fest benefiting the Kinetic Lab. Hosted by Space Force, the most HORRIFYING Halloween event is back! Guided tours of the Haunted Kinetic Sculpture Lab begin at 7pm and run until midnight. Recommended for ages 13 and over. Live music by the Dead Drops. Corner of 8th and N Street in Arcata. Bring your momma if you're scared.

Events are not guaranteed. It is your responsibility to confirm before going.