PA Rivers


Allegheny River

The river is approximately 325 miles (523 km) long, running through the U.S. states of New York and Pennsylvania. It drains a rural dissected plateau of 11,580 square miles (30,000 km) in the northern Allegheny Plateau, providing the northeastern most drainage in the watershed of the Mississippi River. Its tributaries reach to within 8 miles (13 km) of Lake Erie in southwestern New York.

Clarion River

It is formed at Johnsonburg in central Elk County by the confluence of its East and West Branches. The East Branch, approximately 15 mi (24 km) long, rises in northeastern Elk County and flows southwest through East Branch Clarion River Lake to join the West Branch. The river flows generally WSW across western Pennsylvania in a tight meandering course past Ridgway and Clarion. It joins the Allegheny from the east in western Clarion County approximately 5 mi (8 km) south of Emlenton.The Clarion is a designated part of the National Wild and Scenic River program.

(Kiski)minetas River

The Kiskiminetas River is formed at Saltsburg, on the border between Westmoreland and Indiana counties, by the confluence of the Conemaugh River and Loyalhanna Creek. It flows northwest in a meandering course past Avonmore, Apollo, and Leechburg. It joins the Allegheny River near Freeport at Schenley, approximately 25 miles (40 km) northeast of Pittsburgh.The Kiski-Conemaugh watershed includes much of the historic coal-producing region of Western Pennsylvania. The water quality is considered degraded by numerous abandoned mine drainages in its upper reaches and tributaries, leading to on-going efforts by federal, state, and private agencies to improve the water quality of the river. The Kittanning Path, a major trail in the region used by Native Americans and early European settlers, crossed the river at a ford near present-day Leechburg.

Juniata River

The Juniata River is a tributary of the Susquehanna River, approximately 90 miles (145 km) long, in central Pennsylvania in the United States. The river is considered scenic along much of its route, having a broad and shallow course passing through several mountain ridges and steeply-lined water gaps. It formed an early 18th-century frontier region in Pennsylvania and was the site of Native American attacks against white settlements during the French and Indian War. The watershed of the river encompasses an area of approximately 3400 sq mi (8800 km), approximately one-eighth of the drainage area of the Susquehanna. Approximately two-thirds of the watershed is forested. It is the second largest tributary of the Susquehanna after the West Branch Susquehanna.

Monongahela River

The Monongahela is formed by the confluence of the West Fork River and the Tygart Valley River at Fairmont, West Virginia. The river is navigable its entire length with a series of locks and dams that maintain a minimum depth of 9 feet (2.7 m) to accommodate coal-laden barges. In Pennsylvania, the Monongahela is met by two major tributaries: the Cheat River, which joins at Point Marion, and the Youghiogheny River, which joins at McKeesport.

Shenango River

The Shenango River is a principal tributary of the Beaver River, approximately 100 mi (160 km) long, in western Pennsylvania in the United States. It also briefly flows through small portions of northeastern Ohio. Via the Beaver and Ohio Rivers, it is part of the watershed of the Mississippi River.The Shenango rises in west-central Crawford County and initially flows northwestwardly into the Pymatuning Reservoir, which was formed in 1934 by the construction of a dam on the river. The lake turns to the south, widening into Ashtabula County, Ohio, and passing through Pymatuning State Park. Below the dam and after returning fully to Pennsylvania, the Shenango flows south-southeastwardly into Mercer County, flowing through Jamestown and Greenville before turning westwardly into Shenango River Lake, formed in 1965 by a United States Army Corps of Engineers dam. Below that dam, the Shenango flows southwestwardly through the communities of Sharpsville and Sharon (near which it briefly enters Trumbull County, Ohio); then south-southeastwardly past Farrell, Wheatland and West Middlesex into Lawrence County, where it passes New Castle and Oakland. It joins the Mahoning River to form the Beaver River, 3 mi (4.8 km) southwest of New Castle.

Susquehanna River

The Susquehanna River ( spelled "Sasquesahanough" on the 1612 John Smith map) is a river located in the northeastern United States. At approximately 444 mi (715 km) long, it is the longest river on the American east coast that drains into the Atlantic Ocean, and with its watershed it is the 16th largest river in the United States, and the longest river in the continental United States without commercial boat traffic. The Susquehanna forms from two main branches, with the North Branch, which rises in upstate New York often regarded as an extension of the main branch. The shorter West Branch, which rises in western Pennsylvania, is sometimes regarded as the principal tributary, joining the North Branch near Northumberland in central Pennsylvania.The river drains 27,500 square miles (71,225 km²), covering nearly half of the land area of Pennsylvania and portions of New York and Maryland. The drainage basin (watershed) includes portions of the Allegheny Plateau region of the Appalachian Mountains, cutting through water gaps in the lateral mountain ridges in a broad zigzag course to flow across the rural heartland of southeastern Pennsylvania and northeastern Maryland. The river empties into the northern end of the Chesapeake Bay, the ria of the Susquehanna, providing half of the freshwater inflow for the entire Chesapeake Bay.

Youghiogheny River

The Youghiogheny rises in northern West Virginia, in Preston County southeast of the town of Kingwood and near Backbone Mountain. The headwaters are approximately 10 mi (16 km) north of the headwaters of the North Branch of the Potomac River. It flows NNE into Garrett County, Maryland, flowing north past Oakland and roughly parallel to the West Virginia border, separated by approximately 3 mi (5 km). This river enters southwestern Pennsylvania on the border between Fayette and Somerset counties. It flows northwest through a gap in Chestnut Ridge and then past Connellsville. It joins the Monongahela River from the southeast at McKeesport, southeast of Pittsburgh.




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