Polson Fairgrounds Polson, MT Email Address: Polson Fairgrounds 320 Regatta Rd. Polson, MT Region: Mission Valley Upcoming events at Polson Fairgrounds Jul 11 Fri Paddle Palooza 2025 Jul 11 - Jul 13 Polson Polson Fairgrounds Events Sports & Recreation Jul 18 Fri Montana Dragon Boat Festival 2025 Jul 18 - Jul 20 Polson Polson Fairgrounds Festivals Sports & Recreation Aug 25 Mon Montana Shakespeare in the Parks: Henry V Aug 25 Polson Polson Fairgrounds Events Performing Arts Theatre