The Allegheny Reservoir (also known as Kinzua Lake) is a reservoir along the Allegheny River

Allegheny River

The Allegheny River is a principal tributary of the Ohio River; it is located in the Eastern United States. The Allegheny River joins with the Monongahela River to form the Ohio River at the "Point" of Point State Park in Downtown Pittsburgh, Pennsylvania...

 in Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 and New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

, USA. It was created in 1965 by the construction of the Kinzua Dam

Kinzua Dam

The Kinzua Dam, in the Allegheny National Forest in Warren County, Pennsylvania, is one of the largest dams in the United States east of the Mississippi River....

 along the river.

History

The Allegheny Reservoir is a man-made lake created along the Allegheny River with the construction of the Kinzua Dam in 1965. The lake and the dam are operated by the U.S. Army Corps of Engineers. The construction of the lake and dam cost $108 million and destroyed the towns of Kinzua and Corydon, as well as some of the lands of the Seneca Nation

Seneca nation

The Seneca are a group of indigenous people native to North America. They were the nation located farthest to the west within the Six Nations or Iroquois League in New York before the American Revolution. While exact population figures are unknown, approximately 15,000 to 25,000 Seneca live in...

. The residents in these areas were forced to move.

Geography

The Allegheny Reservoir is surrounded by the Allegheny National Forest

Allegheny National Forest

The Allegheny National Forest is a National Forest located in northwestern Pennsylvania. The forest covers of land. Within the forest is Kinzua Dam, which impounds the Allegheny River to form Allegheny Reservoir. The administrative headquarters for the Allegheny National Forest is located in Warren...

 in Pennsylvania and Allegany State Park

Allegany State Park

Allegany State Park is a state park in western New York State, located in Cattaraugus County just north of Allegheny National Forest in Pennsylvania. The park is divided into two sections: The Red House Area and the Quaker Run Area. It lies within the Allegheny Highlands forests ecoregion.The Red...

 and the Seneca Nation's Allegany Reservation in New York. The man-made lake is about 198 miles (318.6 km) above the mouth of the river in Pittsburgh, Pennsylvania

Pittsburgh, Pennsylvania

Pittsburgh is the second-largest city in the US Commonwealth of Pennsylvania and the county seat of Allegheny County. Regionally, it anchors the largest urban area of Appalachia and the Ohio River Valley, and nationally, it is the 22nd-largest urban area in the United States...

 and located within Warren

Warren County, Pennsylvania

Warren County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 41,815. It was formed in 1800 from parts of Allegheny and Lycoming counties; attached to Crawford County until 1805 and then to Venango County until Warren was formally organized in 1819. Its county...

 and McKean

McKean County, Pennsylvania

As of the census of 2000, there were 45,936 people, 18,024 households, and 12,094 families residing in the county. The population density was 47 people per square mile . There were 21,644 housing units at an average density of 22 per square mile...

 Counties in Pennsylvania and Cattaraugus County and the Allegany Reservation in New York. The reservoir is 24 miles (38.6 km) long and at full pool it covers 21180 acres (85.7 km²).