Flow free bridges pack 9x912/23/2023 It receives the Juniata River from the northwest at Duncannon, then passes through its last water gap, the Susquehanna Gap through the Blue Mountain Ridge, just northwest of Harrisburg.ĭowntown Harrisburg developed on the east side of the river, which is nearly a mile wide here. See also: Susquehanna Valley and List of cities and towns along the Susquehanna Riverĭownstream from the confluence of its branches in Northumberland, the river flows south past Selinsgrove, where it is joined by its Penns Creek tributary, and cuts through a water gap at the western end of Mahantongo Mountain. It receives the Lackawanna River southwest of Scranton and turns sharply to the southwest, flowing through the former anthracite industrial heartland in the mountain ridges of northeastern Pennsylvania, past Pittston City ( Greater Pittston), Wilkes-Barre, Nanticoke, Shickshinny, Berwick, Bloomsburg, and Danville, before receiving the West Branch at Northumberland. It makes a right-angle curve between Sayre and Towanda to cut through the Endless Mountains in the Allegheny Plateau of Pennsylvania. Ī couple of miles south, in Athens Township, Pennsylvania, it receives the Chemung from the northwest. After meandering westwards, it turns south crossing the line again through the twin towns of Waverly, New York, and Sayre, Pennsylvania, and their large right bank railyard, once briefly holding the largest structure in the United States devoted to the maintenance and construction of railroad locomotives. It receives the Chenango in downtown Binghamton. It dips south into Pennsylvania briefly to turn sharply 90 degrees west at Susquehanna and again 90 degrees north at Great Bend hooking back into New York. From there, the north branch of the river runs west-southwest through rural farmland and dairy country, receiving the Unadilla River at Sidney. Susquehanna River at source, looking at Otsego Lake North Branch Susquehanna Īlso called the Main Branch Susquehanna, the longer branch of the river rises at the outlet of Otsego Lake in Cooperstown, New York. While the railroad industry has been less prevalent since the closures and mergers of the 1950s–1960s, a wide-ranging rail transportation infrastructure still operates along the river's shores. The river was extensively used for muscle-powered ferries, boats, and canal boat shipping of bulk goods in the brief decades before the Pennsylvania Canal System was eclipsed by the coming of age of steam-powered railways. Course īoth branches and the lower Susquehanna were part of important regional transportation corridors. This is the same period when the Hudson, Delaware and Potomac rivers were established. It was well established in the flat tidelands of eastern North America during the Mesozoic era about 252 to 66 million years ago. The Susquehanna basin reaches its ultimate outflow in the Chesapeake Bay. These ridges resulted from the Alleghenian orogeny uplift events, when Africa (as part of Gondwana) slammed into the Northern part of Euramerica. The Susquehanna River is one of the oldest existing rivers in the world, being dated as 320–340 Myr, older than the mountain ridges through which it flows. The bay lies in the flooded valley, or ria, of the Susquehanna. The river empties into the northern end of the Chesapeake Bay at Perryville and Havre de Grace, Maryland, providing half of the Bay's freshwater inflow. The drainage basin includes portions of the Allegheny Plateau region of the Appalachian Mountains, cutting through a succession of water gaps in a broad zigzag course to flow across the rural heartland of southeastern Pennsylvania and northeastern Maryland in the lateral near-parallel array of mountain ridges. The river drains 27,500 square miles (71,000 km 2), including nearly half of the land area of Pennsylvania. The Susquehanna River forms from two main branches: the North Branch, which rises in Cooperstown, New York, and is regarded by federal mapmakers as the main branch or headwaters, and the West Branch, which rises in western Pennsylvania and joins the main branch near Northumberland in central Pennsylvania. By watershed area, it is the 16th-largest river in the United States, and also the longest river in the early 21st-century continental United States without commercial boat traffic. At 444 miles (715 km) long, it is the longest river on the East Coast of the United States. The Susquehanna River ( / ˌ s ʌ s k w ə ˈ h æ n ə/ Lenape: Siskëwahane ) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. Oaks Creek, Unadilla River, Chenango River, Chemung River, West Branch, Juniata River Lackawanna River, Mahanoy Creek, Swatara Creek, Conestoga River, Little Mehoopany Creek
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