Sacajawea Park Polson Polson, MT Email Address: Sacajawea Park Polson 101 Main Street Polson, MT Info: 406- Region: Mission Valley Upcoming events at Sacajawea Park Polson Jul 20 Sat Flathead Lake Festival of the Arts Jul 20 - Jul 21 Polson Sacajawea Park Polson Art & Exhibits Festivals