The Little River is a tributary of the Red River, with a total length of , within the Choctaw Indian Reservation in southeastern Oklahoma and in southwestern Arkansas in the United States. Via the Red, it is part of the watershed of the Mississippi River. Six large reservoirs impound the Little River and its tributaries. The drainage basin of the river totals , in Oklahoma and in Arkansas. The Little River and its upper tributaries are popular for recreational canoeing and kayaking. Course The highest sources of the Little River are at an elevation of more than in southwestern Le Flore County, Oklahoma in the Ouachita Mountains. It initially flows westward into Pushmataha County, then south into McCurtain County where it turns to flow southeast, past Wright City and through the Little River National Wildlife Refuge and a portion of the Ouachita National Forest, into Arkansas, where it flows through or along the boundaries of Sevier, Little River and Hempstead counties, past the Pond Creek National Wildlife Refuge. It enters the Red River on the common boundary of Little River and Hempstead counties, about west of Fulton. Principal tributaries of the Little River in Oklahoma include the Glover River and the Mountain Fork, both of which join it in McCurtain County. In Arkansas, it receives the Rolling Fork and the Cossatot River from the north in Sevier County; and the Saline River, which flows to Millwood Lake from the north on the boundary of Sevier and Howard counties. Dams of the U.S. Army Corps of Engineers on the Little River create Pine Creek Lake in Oklahoma and Millwood Lake in Arkansas. Dams on tributaries create Broken Bow Lake in Oklahoma and DeQueen Lake, ; Gillham Lake, ; and Dierks Lake, , in Arkansas. Despite its modest length, the Little River is the sixth largest river in Oklahoma in terms of its flow which averages 3,275 cubic feet per second near the border with Arkansas. The Little River originates in the Ouachita mountains, the most humid part of Oklahoma receiving up to of precipitation annually. There are no cities or towns on the Little River. Idabel, Oklahoma and DeQueen, Arkansas are near the river. Recreation and conservation The Little River and its major tributaries are popular for canoeing and kayaking. The upper Little River from the hamlet of Honobia, Oklahoma to Pine Creek Lake, 46 river miles, has a moderate gradient