Adams Township — 6-8 p.m. Saturday, Oct. 31

The township’s Halloween in the Park is set for 3 p.m. Oct. 17 at Adams Township Community Park.

Brady Township — 6-7 p.m. Saturday, Oct. 31

Bruin — 6-7 p.m. Saturday, Oct. 31

Buffalo Township — 6-8 p.m. Saturday, Oct. 31

Butler City — 6-7 p.m. Saturday, Oct. 31

Butler Township — 6-7 p.m. Saturday, Oct. 31

A trick-or-treating event will also be held from 6-8 Friday, Oct. 30 at Preston Park.

Callery — 6-7 p.m. on Saturday, Oct. 31

Clearfield Township — 6-7 p.m. Saturday, Oct. 31

Center Township — 6-7 p.m. Saturday, Oct. 31

Cherry Township — TBD

Chicora — 6-7 p.m. Saturday, Oct. 31

Clay Township — 6-8 p.m. Saturday, Oct. 31

Clinton Township — 6-8 p.m. Saturday, Oct. 31

Concord Township — 6-7 p.m. Saturday, Oct. 31

Connoquenessing Borough — 6-8 p.m. Saturday, Oct. 31

Connoquenessing Township — 6-8 p.m. Saturday, Oct. 31

Connoquenessing Volunteer Fire Company’s Halloween Parade and Trunk-or-Treat will be held Sunday, Oct. 25 with food trucks, a costume contest and prizes. Parade lineup begins at 1:30 p.m., and the parade starts at 2 p.m.

Cranberry Township — 6-8 p.m. Saturday, Oct. 31

Donegal Township — 6-7 p.m. Saturday, Oct. 31

East Butler — 6-7 p.m. Saturday, Oct. 31

Eau Claire — 2-4 p.m. Sunday, Nov. 1

Evans City — 3-5 p.m. Saturday, Oct. 31

Fairview — TBD

Fairview Township — TBD

Forward Township — 6-8 p.m. Saturday, Oct. 31

Franklin Township — 6-8 p.m. Saturday, Oct. 31

Harmony — 6-8 p.m. Saturday, Oct. 31

Harrisville — 4-6 p.m. Saturday, Oct. 31

Jackson Township — 6-8 p.m. Saturday, Oct. 31

Jefferson Township — 6-8 p.m. Saturday, Oct. 31

Lancaster Township — 6-8 p.m. Saturday, Oct. 31

Karns City — TBD

Mars — 6-8 p.m. Saturday, Oct. 31

Marion Township — 4-5:30 p.m. Saturday, Oct. 31

Mercer Township — 4-6 p.m. Saturday, Oct. 31

Middlesex Township — 6-8 p.m. Saturday, Oct. 31

Muddy Creek Township — 6-7:30 p.m. Saturday, Oct. 31

Oakland Township — 6-8 p.m. Saturday, Oct. 31

Parker Township — 6-7 p.m. Saturday, Oct. 31

Penn Township — 6-7:30 p.m. Saturday, Oct. 31

Penn Township Fire Department’s Halloween Parade is set to start at 6 p.m. Oct. 26 at the department.

Portersville — 6-7:30 p.m. Saturday, Oct. 31

Prospect — 6-7:30 p.m. Saturday, Oct. 31

Prospect Borough’s Halloween activities kick off at 5 p.m. Oct. 31 with a costume contest at the Prospect Fire Department

Saxonburg — 6-8 p.m. Saturday, Oct. 31

Seven Fields — 6-8 p.m. Saturday, Oct. 31

Slippery Rock Borough — 6-8 p.m. Saturday, Oct. 31

The borough will hold a parade at 6 p.m. on East Cooper Street.

Slippery Rock Township — 6-8 p.m. Saturday, Oct. 31

Summit Township — 6-8 p.m. Saturday, Oct. 31

Valencia — 6-8 p.m. Saturday, Oct. 31

Washington Township — 6-7 p.m. Saturday, Oct. 31

West Liberty — TBD

West Sunbury — 5-6 p.m. Saturday, Oct. 31

Winfield Township — 6-8 p.m. Saturday, Oct. 31

Worth Township — 6-8 p.m. Saturday, Oct. 31

Zelienople — 6-8 p.m. Saturday, Oct. 31

Zelienople Merchant Trick‑or‑Treat will be held from 4-6 p.m. Thursday, Oct. 29. A Halloween Parade that night will begin at 6:30 p.m. Parade registration begins at 5:30 p.m. behind NexTier Bank.