The Susquehanna Valley is a region of low-lying land that borders the

Susquehanna River The Susquehanna River (; 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. At long, it is the longest river on the East Coast of the ...

in the U.S. states of

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

, and

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...

. The valley consists of areas that lie along the main branch of the river, which flows from

Upstate New York Upstate New York is a geographic region consisting of the area of New York (state), New York State that lies north and northwest of the New York metropolitan area, New York City metropolitan area. Although the precise boundary is debated, Upsta ...

through Pennsylvania and Maryland into the

Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The Bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula (including the parts: the Eastern Shore of Maryland / ...

, as well as areas that lie along the shorter West Branch in Pennsylvania.

Communities in the valley

Main Branch

Cities

Oneonta, New York Oneonta ( ) is a Administrative divisions of New York#City, city in southern Otsego County, New York, Otsego County, New York (state), New York, United States. It is one of the northernmost cities of the Appalachian Region. According to the 2020 ...

Binghamton, New York Binghamton () is a city in the U.S. state of New York, and serves as the county seat of Broome County. Surrounded by rolling hills, it lies in the state's Southern Tier region near the Pennsylvania border, in a bowl-shaped valley at the conflu ...

* Wilkes-Barre, Pennsylvania * Scranton, Pennsylvania * Sunbury, Pennsylvania *

Harrisburg, Pennsylvania Harrisburg is the capital city of the Commonwealth of Pennsylvania, United States, and the county seat of Dauphin County. With a population of 50,135 as of the 2021 census, Harrisburg is the 9th largest city and 15th largest municipality in ...

York, Pennsylvania York (Pennsylvania Dutch: ''Yarrick''), known as the White Rose City (after the symbol of the House of York), is the county seat of York County, Pennsylvania, United States. It is located in the south-central region of the state. The populatio ...

Havre de Grace, Maryland Havre de Grace (), abbreviated HdG, is a city in Harford County, Maryland. It is situated at the mouth of the Susquehanna River and the head of Chesapeake Bay. It is named after the port city of Le Havre, France, which in full was once ''Le Havr ...

Counties

Otsego County, New York Otsego County is a county in the U.S. state of New York. As of the 2020 census, the population was 58,524. The county seat is Cooperstown. The name ''Otsego'' is from a Mohawk or Oneida word meaning "place of the rock." History In 17 ...

Delaware County, New York Delaware County is a county located in the US state of New York. As of the 2020 United States census, the population was 44,308. The county seat is Delhi. The county is named after the Delaware River, which was named in honor of Thomas West, 3 ...

Chenango County, New York Chenango County is a county located in the south-central section U.S. state of New York. As of the 2020 census, the population was 47,220. Its county seat is Norwich. The county's name originates from an Oneida word meaning 'large bull-thi ...

Broome County, New York Broome County is a county in the U.S. state of New York. As of the 2020 United States census, the county had a population of 198,683. Its county seat is Binghamton. The county was named for John Broome, the state's lieutenant governor when B ...

Susquehanna County, Pennsylvania Susquehanna County is a county in the Commonwealth of Pennsylvania. It is part of Northeastern Pennsylvania. As of the 2020 census, the population was 38,434 Its county seat is Montrose. The county was created on February 21, 1810, from p ...

Tioga County, New York Tioga County is a county in the U.S. state of New York. As of the 2020 census, the population was 48,455. Its county seat is Owego. Its name derives from an American Indian word meaning "at the forks", describing a meeting place. Tioga Cou ...

* Bradford County, Pennsylvania * Wyoming County, Pennsylvania * Lackawanna County, Pennsylvania * Luzerne County, Pennsylvania *

Columbia County, Pennsylvania Columbia County is a county in the Commonwealth of Pennsylvania. It is located in Northeastern Pennsylvania. As of the 2020 census, the population was 64,727. Its county seat is Bloomsburg. The county was created on March 22, 1813, from p ...

* Montour County, Pennsylvania *

Potter County, Pennsylvania Potter County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, its population was 16,396, making it the fifth-least populous county in Pennsylvania. Its county seat is Coudersport. The county was created in 1804 and ...

Tioga County, Pennsylvania Tioga County is a County (United States), county in the Commonwealth (U.S. state), Commonwealth of Pennsylvania. As of the 2020 United States census, 2020 census, the population was 41,045. Its county seat is Wellsboro, Pennsylvania, Wellsboro. ...

Northumberland County, Pennsylvania Northumberland County is a county in the Commonwealth of Pennsylvania. It is part of Northeastern Pennsylvania. As of the 2020 census, the population was 91,647. Its county seat is Sunbury. The county was formed in 1772 from parts of Lancas ...

Snyder County, Pennsylvania Snyder County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 39,736. The county seat is Middleburg. Snyder County was formed in 1855 from parts of Union County. Snyder County comprises the Sel ...

Juniata County, Pennsylvania Juniata County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 23,509. Its county seat is Mifflintown. The county was created on March 2, 1831, from part of Mifflin County and named for the Juniata R ...

Perry County, Pennsylvania Perry County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 45,842. The county seat is New Bloomfield. The county was created on March 22, 1820, and was named for Oliver Hazard Perry, a hero of ...

Dauphin County, Pennsylvania Dauphin County (; Pennsylvania Dutch: Daffin Kaundi) is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 286,401. The county seat and the largest city is Harrisburg, Pennsylvania's state capital and ninth ...

Cumberland County, Pennsylvania Cumberland County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 259,469. Its county seat is Carlisle. Cumberland County is included in the Harrisburg–Carlisle metropolitan statistical area. Histo ...

York County, Pennsylvania York County ( Pennsylvania Dutch: Yarrick Kaundi) is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 456,438. Its county seat is York. The county was created on August 19, 1749, from part of Lancaster ...

Lancaster County, Pennsylvania Lancaster County (; Pennsylvania Dutch: Lengeschder Kaundi), sometimes nicknamed the Garden Spot of America or Pennsylvania Dutch Country, is a county in the Commonwealth of Pennsylvania. It is located in the south central part of Pennsylvania ...

Cecil County, Maryland Cecil County () is a county located in the U.S. state of Maryland at the northeastern corner of the state, bordering both Pennsylvania and Delaware. As of the 2020 census, the population was 103,725. The county seat is Elkton. The county was ...

Harford County, Maryland Harford County is located in the U.S. state of Maryland. As of the 2020 census, the population was 260,924. Its county seat is Bel Air. Harford County is included in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area, which is a ...

West Branch

Cities

* Lock Haven, Pennsylvania *

Williamsport, Pennsylvania Williamsport is a city in, and the county seat of, Lycoming County, Pennsylvania, United States. It recorded a population of 27,754 at the 2020 Census. It is the principal city of the Williamsport Metropolitan Statistical Area, which has a popul ...

Counties

Cambria County, Pennsylvania Cambria County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 133,472. Its county seat is Ebensburg. The county was created on March 26, 1804, from parts of Bedford, Huntingdon, and Somerset Countie ...

* Clearfield County, Pennsylvania *

Centre County, Pennsylvania Centre County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 158,172. Its county seat is Bellefonte. Centre County comprises the State College, PA Metropolitan Statistical Area. History The lan ...

Clinton County, Pennsylvania Clinton County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 37,450. Its county seat is Lock Haven. The county was created on June 21, 1839, from parts of Centre and Lycoming Counties. Its name ...

* Lycoming County, Pennsylvania *

Union County, Pennsylvania Union County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 42,681. Its county seat is Lewisburg. The county was created on March 22, 1813, from part of Northumberland County. Its name is an allus ...

{{Coord, 41, 58, N, 75, 45, W, region:US-PA, display=title River valleys of the United States . Valleys of Maryland Valleys of New York (state) Valleys of Pennsylvania Landforms of Cambria County, Pennsylvania Landforms of Clearfield County, Pennsylvania Landforms of Centre County, Pennsylvania Landforms of Clinton County, Pennsylvania Landforms of Lycoming County, Pennsylvania Landforms of Northumberland County, Pennsylvania Landforms of Union County, Pennsylvania