The South River is a 20.3 miles (32.7 km) tributary of the Maury River

Maury River

The Maury River is a tributary of the James River in west-central Virginia in the United States. Via the James River, it is part of the watershed of Chesapeake Bay.The Maury flows for its entire length in Rockbridge County...

 in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Virginia

Virginia

The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

. It is part of the James River

James River

The James River may refer to:Rivers in the United States and their namesakes* James River * James River , North Dakota, South Dakota* James River * James River * James River...

 watershed.

It rises southwest of Lofton in Augusta County, Virginia

Augusta County, Virginia

As of the census of 2000, there were 65,615 people, 24,818 households, and 18,911 families residing in the county. The population density was 68 people per square mile . There were 26,738 housing units at an average density of 28 per square mile...

, near the western base of the Blue Ridge Mountains

Blue Ridge Mountains

The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. This province consists of northern and southern physiographic regions, which divide near the Roanoke River gap. The mountain range is located in the eastern United States, starting at its southern-most...

, and quickly receives the Saint Marys River

Saint Marys River (Virginia)

The Saint Marys River is an tributary of the South River in Augusta County in the U.S. state of Virginia. By the South and Maury rivers, it is part of the James River watershed....

 coming out of the mountains from the east. Entering Rockbridge County

Rockbridge County, Virginia

As of the census of 2000, there were 20,808 people, 8,486 households, and 6,075 families residing in the county. The population density was 35 people per square mile . There were 9,550 housing units at an average density of 16 per square mile...

 near the village of Vesuvius, the South River continues to flow southwest and joins the Maury River between Lexington

Lexington, Virginia

Lexington is an independent city within the confines of Rockbridge County in the Commonwealth of Virginia. The population was 7,042 in 2010. Lexington is about 55 minutes east of the West Virginia border and is about 50 miles north of Roanoke, Virginia. It was first settled in 1777.It is home to...

 and Buena Vista

Buena Vista, Virginia

Buena Vista is an independent city located within the confines of Rockbridge County, Virginia. The population was 6,650 in 2010. The Bureau of Economic Analysis combines the city of Buena Vista with Rockbridge county for statistical purposes.-Geography:Buena Vista is located at...

.