Little_Bitterroot_River
Little Bitterroot River
River in Montana, United States
Little Bitterroot River is in northwestern Montana. It in the mountains west of Kalispell north of Marion or about 25 miles (40 km) west-northwest of Flathead Lake. It flows south-southeastward for 65 miles (105 km) to the Flathead River, which goes into the Clark Fork of the Columbia.[2] The basin covers about 600 square miles (1,600 km2), or about 385,000 acres (156,000 ha). The upper basin as mountainous area with interior plains, from 1 to 8 miles (1.6 to 12.9 km) wide and about 100 square miles (260 km2) in extent. The plain area traversed by the 40 miles (64 km) its length. The Little Bitterroot valley, is an arm of the Lake Missoula glacial plain south of Flathead Lake.[2]