Tri-Cities Water Lantern Festival
Decorate a lantern with a message or memory, then launch it on the Columbia Park pond at dusk. Food trucks and music before the launch.
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Middleton Farms Fall Festival
Pumpkin patch, giant corn maze, food and fall attractions on a working farm just outside downtown Pasco. Open Wednesday–Sunday through November 1.
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RiverFest 2026
A free, hands-on family festival about the Columbia and Snake river system: navigation, irrigation, recreation and hydropower, with exhibitors, vendors and entertainment.