Enjoy an unforgettable experience on Flathead Lake aboard The Shadow tour boat. Flathead Lake tours will give you breathtaking views of Wild Horse Island, the largest island on Flathead Lake. The 2,163-acre island is home to Rocky Mountain bighorn sheep, bald eagles, bears, mule deer, numerous songbirds and fittingly, several wild horses. Enjoy the history and lore of the island. Experience the beauty and serenity of the largest natural fresh water lake west of the Mississippi. Catch glimpses of spectacular homes and rustic cabins that charm the shores of the lake, and view the majestic Mission Mountains. The Shadow accommodates 148 people and is perfect for weddings, corporate meetings, retreats, family reunions, or total relaxation. The Shadow is located at KwaTaqNuk Resort on the south end of Flathead Lake in Polson.