Ottawa Halloween Thriller 2026 Mega Party
Costume prizes and multi-genre music at an 18+ Halloween party.
21 Halloween food, drink, and parties near Gatineau.
Gatineau's Halloween calendar offers vibrant celebrations and delicious autumnal treats. For an unforgettable night, consider the grand Halloween Party at Théâtre Du Casino Du Lac Leamy. If you prefer a more intimate culinary experience, the Atelier bento cake spécial Halloween provides a creative, hands-on activity. Beyond these, find numerous ways to embrace the season. Many events focus on downtown Gatineau and nearby Ottawa districts, with others extending to neighbouring towns like Cornwall. You'll find options requiring tickets and some that are free to attend.
Decorate Halloween cookies with icing and edible toppings to take home.
Explore haunted historic cottages at night inside Gatineau Park.
Occult-themed cabaret and night market staged inside a deconsecrated church.
Outdoor market featuring local art, vintage goods, street food, and music.
See all Halloween parties, events, and celebrations in your area.
Yes, and they're underrated: daytime costume crawls through shops and breweries, family-hour versions of themed pop-up bars, Halloween brunches, and all-ages costume balls that end by 9 pm. Breweries are the sweet spot for mixed groups, since kids and dogs are often welcome on the patio into the evening. Check whether the venue flips to 21+ at a posted hour.
Early-bird tiers for big parties drop in September and can run 30-50 percent below door price, with prices stepping up as tiers sell through. The Saturday-before-Halloween events genuinely sell out days ahead. Buy as a group in one order if you want the same tier, and read the refund line before paying, since most Halloween party tickets are final-sale.
Stack it honestly: ticket or cover, two to four drinks at event pricing, late food, rides both ways, and costume, commonly $80-150 a person on peak Saturday. Trim by buying early-bird tickets, eating a real dinner beforehand, pregaming lightly at home, closet-building the costume, and leaving before surge pricing. One splurge item, ticket or costume, not both, keeps it fun.