Holston River

The Holston River is a 136-mile river that flows from Kingsport, Tennessee, to Knoxville, Tennessee. Along with its three major forks , it comprises a major river system that drains much of northeastern Tennessee, southwestern Virginia, and northwestern North Carolina. The Holston's confluence with the French Broad River at Knoxville marks the beginning of the Tennessee River.

The North Fork flows 138 miles southwest from Sharon Springs in Bland County, Virginia. The Middle Fork flows 56.5 miles from near the western border of Wythe County, Virginia, joining the South Fork in Washington County, Virginia, southeast of Abingdon. The South Fork rises near Sugar Grove in Smyth County and flows 112 miles southwest to join the North Fork at Kingsport. The Watauga River, a tributary of the South Fork Holston, flows 78.5 miles westward from Watauga County, North Carolina.

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