Oshawa Halloween Boo Bash (October 2026)
October 24, 2026
The Oshawa Halloween Boo Bash is a free, all-ages Halloween festival that transforms downtown Oshawa into an immersive celebration of music, creativity, and spooky culture. Inspired by the city’s history of Halloween events and its vibrant alternative community, the Boo Bash features interactive scare zones, roaming monsters, live musical performances, family-friendly activities, costume contests, and trick-or-treating with local businesses. The event highlights Oshawa’s creative identity by showcasing local performers, makers, and community groups. Designed to extend tourism into the fall season, the Boo Bash brings thousands together for a one-of-a-kind experience that embraces the oddities and curiosities of Halloween.