The Levisa Fork is a tributary of the Big Sandy River, approximately 164 miles long, in southwestern Virginia and eastern Kentucky in the United States. It rises in the Appalachian Mountains of southwestern Virginia, in eastern Buchanan County, near Grundy. It flows west into Pike County, Kentucky, where it is impounded to form Fishtrap Lake reservoir. Afte…The Levisa Fork is a tributary of the Big Sandy River, approximately 164 miles long, in southwestern Virginia and eastern Kentucky in the United States. It rises in the Appalachian Mountains of southwestern Virginia, in eastern Buchanan County, near Grundy. It flows west into Pike County, Kentucky, where it is impounded to form Fishtrap Lake reservoir. After collecting the Russell Fork, it flows northwest through Pikeville and Prestonsburg. The natural course of the river formed a loop surrounding downtown Pikeville, but a massive earthmoving project completed in 1987 rerouted the river to bypass the city. At Paintsville it turns to the north-northeast, flowing through Johnson and Lawrence counties. It joins the Tug Fork from the southwest at Louisa on the West Virginia state line to form the Big Sandy.