Bitterroot Valley, Western Montana The Bitterroot Valley, approximately 96 miles long and 20 miles wide at mid-valley, was the ancestral home of the Salish (Flathead) Indian tribe long before the white man ever set foot in the valley. The Indians gathered and ate the starchy root of the succulent Bitterroot plant. The small pink blossoms of this plant prompted the naming of the Bitterroot River and surrounding mountains and earned...... Similar Editorial : Silicon Valley by Janet Ilacqua. | Source : Fishing Florida Guide