The West Fork River is a principal tributary of the Monongahela River, 103-mile long, in north-central West Virginia, United States. Via the Monongahela and Ohio Rivers, it is part of the watershed of the Mississippi River, draining an area of 881 square miles on the unglaciated portion of the Allegheny Plateau.
Country: United States
State: West Virginia
Counties: Upshur, Lewis, Harrison, Marion
Source: Confluence of Straight Fork and Whites Camp Fork