2026 Monster Mash

Saturday, October 31, 2026 - 2:00pm to 5:00pm

Halloween Day at Christ Church Parish - 1060 Chandler Road

Join Lake Oswego Parks & Recreation for an afternoon of frightful fun! Dress up in your favorite spooktacular Halloween costume and enjoy this family-friendly event. Walk through the trick-or-treat streets to collect candy, toys and trinkets at every station. Also enjoy a visit from the Lake Oswego Fire & Police departments too! This cobweb filled celebration includes spooky tunes and ghoulish crafts! Free event, ages 0-12 welcome.

Free trick-or-treat bags included for the first 400 guests! (While supplies last).