The Allegheny River is a 325-mile (523 km) long headwater stream of the Ohio River in western Pennsylvania and New York, United States. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into New York then in a zigzag southwesterly across the border and through Western Pennsylvania to join the Monongahela River at the Forks of the Ohio on the "Point" of Point State Park in Downtown Pittsburgh, Pennsylvania. The Allegheny River is, by volume, the main headstream of both the Ohio and Mississippi Rivers. Historically, the Allegheny was considered to be the upper Ohio River by both Native Americans and European settlers.
The Levisa Fork is a tributary of the Big Sandy River, approximately 164 miles (264 km) long, in southwestern Virginia and eastern Kentucky in the United States.
The Youghiogheny River, or the Yough for short, is a 134-mile-long (216 km) tributary of the Monongahela River in the U.S. states of West Virginia, Maryland, and Pennsylvania. It drains an area on the west side of the Allegheny Mountains northward into Pennsylvania, providing a small watershed in extreme western Maryland into the tributaries of the Mississippi River. Youghiogheny is a Lenape word meaning "a stream flowing in a contrary direction".
The Appomattox River is a tributary of the James River, approximately 157 miles (253 km) long, in central and eastern Virginia in the United States, named for the Appomattocs Indian tribe who lived along its lower banks in the 17th century. It drains a cotton and tobacco-growing region of the Piedmont and coastal plain southwest of Richmond.
The York River is a navigable estuary, approximately 34 miles (55 km) long, in eastern Virginia in the United States. It ranges in width from 1 mile (1.6 km) at its head to 2.5 miles (4.0 km) near its mouth on the west side of Chesapeake Bay. Its watershed drains an area of the coastal plain of Virginia north and east of Richmond.
The Pah Rah Range is a mountain range located in western Nevada in Washoe County just to the northeast of Reno. It is a hook shaped range with the main eastern portion oriented northwest-southeast, approximately 20 miles (32 km) long. The northwest flowing Cottonwood Creek in Warm Springs Valley is bounded on three sides by the range. To the south and east the Truckee River forms the boundary and Pyramid Lake is at the northeast. Spanish Springs Valley north of Reno forms the southwest margin. To the north the narrow Mullen Pass separates the Pah Rah Range from the Virginia Mountains.
The Elk River is a tributary of the Kanawha River, 172 miles (277 km) long, in central West Virginia in the United States. Via the Kanawha and Ohio rivers, it is part of the watershed of the Mississippi River.
The Hughes River is a tributary of the Little Kanawha River in western West Virginia in the United States. Via the Little Kanawha and Ohio Rivers, it is part of the watershed of the Mississippi River. As measured from the confluence of its north and south forks, the Hughes is 18 mi (29 km) long, and drains a rural area of the unglaciated portion of the Allegheny Plateau.
The Greenbrier River Watershed Association is one of the oldest watershed associations in the state of West Virginia, currently on its 15th year of existence. It has supported the creation of other watershed associations throughout the state and maintains a policy of "upstream courtesy" and "downstream courtesy" with its neighbors.
The Big Otter River is a river in the United States state of Virginia.
The Blackwater River is a river in the United States state of Virginia. It is a tributary of the Roanoke River.
Cub Creek is a river in the United States state of Virginia. It is a tributary of the Roanoke River.
Goose Creek is a river in the United States state of Virginia. It is a tributary of the Roanoke River.
The Little River is a river in the U.S. state of Virginia. It rises near Maiden Spring in Tazewell County, Virginia, and empties into the Clinch River in Russell County.
The Middle River is a 70.6-mile-long (113.6 km) river in the U.S. state of Virginia. Flowing entirely within Augusta County, the Middle River joins the North River, which in turn meets the South River at Port Republic to form the South Fork Shenandoah River.
The Otter River is a river in the United States state of Virginia.
The Sandy River is a river in the United States state of Virginia.
Sinking Creek is a river in the United States state of Virginia. Due to the karst topography northwest of Blacksburg, the river disappears underground and then re-emerges from springs as it flows into the New River.
The Southern Branch Elizabeth River is a 14.5-mile-long (23.3 km), primarily tidal river in the U.S. state of Virginia. It flows from south to north through the city of Chesapeake and forms the boundary between the cities of Portsmouth and Chesapeake for its northernmost 3 miles (5 km). It is a tributary of the Elizabeth River, connecting to the harbor of Hampton Roads to the north. It is part of the Intracoastal Waterway of the Atlantic coast of the United States, connecting by it to the North Landing River, which flows into North Carolina.
