St. John Boo Bash: Trunk or Treat at Prairie West Park | Weekend Guide
Decorated car trunks with pumpkins, hay bales, and balloons at a trunk-or-treat event beside a park playground
Indiana · Family Fun ·

St. John Boo Bash: Trunk or Treat at Prairie West Park

St. John's free Boo Bash & Trunk or Treat returns Saturday, Oct 17, 2026, from 10 a.m. to noon at Prairie West Park with trunk-or-treat, pumpkin train rides, pumpkin decorating, and a costume parade.

The Town of St. John's Boo Bash & Trunk or Treat returns Saturday, Oct 17, 2026, from 10 a.m. to noon at Prairie West Park. The free morning includes trunk-or-treating, pumpkin train rides, pumpkin decorating, and a costume parade, with registration through the town's recreation desk. It is one of the friendliest family events on the St. John fall calendar, and the park's playgrounds and trails make it easy to stay for a while. Arrive a little early to grab a spot and let the kids work up an appetite for candy.

Spots to Check Out

Boo Bash & Trunk or Treat

Saturday, Oct 17, 10 a.m. to noon at Prairie West Park (9359 W Oakridge Dr). Free with trunk-or-treat, pumpkin train rides, pumpkin decorating, and a costume parade; registration through the town's rec desk.

Prairie West Park

Playgrounds, a pond, trails, and open space, the town's home for family events.

Heron Lake Park

Continue the morning with a walk around Heron Lake's trails and playground.

Joanne Dal Santo

Curated By

Joanne Dal Santo

Associate Broker, @properties · Your local insider for Chicagoland and Northwest Indiana weekends.