The Kiskiminetas River (called the Kiski for short) is a tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of 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...

, approximately 27 miles (43.5 km) long, in Western 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...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The region surrounding the Kiskiminetas is often referred to as the Alle-Kiski Valley after the rivers.
The Kiskiminetas River is formed at Saltsburg

Saltsburg, Pennsylvania

Saltsburg is a borough in Indiana County, Pennsylvania, United States. The population was 955 at the 2000 census. The town was based on the construction of salt wells and the canals and railroad tracks that passed through it.-Geography:...

, on the border between Westmoreland

Westmoreland County, Pennsylvania

-Demographics:As of the census of 2000, there were 369,993 people, 149,813 households, and 104,569 families residing in the county. The population density was 361 people per square mile . There were 161,058 housing units at an average density of 157 per square mile...

 and Indiana

Indiana County, Pennsylvania

-Government and politics:As of November 2008, there are 58,077 registered voters in Indiana County .* Democratic: 26,653 * Republican: 24,159 * Other Parties: 7,265 -County commissioners:*Rodney Ruddock, Chairman, Republican...

 counties, by the confluence of the Conemaugh River

Conemaugh River

The Conemaugh River is a long tributary of the Kiskiminetas River in Westmoreland, Indiana, and Cambria counties in the U.S. state of Pennsylvania.- Course :...

 and Loyalhanna Creek

Loyalhanna Creek

Loyalhanna Creek is a long tributary of the Kiskiminetas River in Westmoreland County in the U.S. state of Pennsylvania. The stream is a popular destination for canoeing and recreational trout fishing.- Etymology :...

. It flows northwest in a meander

Meander

A meander in general is a bend in a sinuous watercourse. A meander is formed when the moving water in a stream erodes the outer banks and widens its valley. A stream of any volume may assume a meandering course, alternately eroding sediments from the outside of a bend and depositing them on the...

ing course past Avonmore

Avonmore, Pennsylvania

Avonmore is a borough in Westmoreland County, Pennsylvania, United States. The population was 820 at the 2000 census.-Geography:Avonmore is located at ....

, Apollo

Apollo, Pennsylvania

Apollo is a borough in Armstrong County, Pennsylvania, United States, 35 miles northeast of Pittsburgh in a former coal-mining region. Apollo was settled in 1790, laid out in 1816, and incorporated as a borough in 1848. The town was originally known as 'Warren', but was later renamed to avoid...

, and Leechburg

Leechburg, Pennsylvania

Leechburg is a borough in southern Armstrong County in the U.S. state of Pennsylvania, northeast of Pittsburgh. Leechburg was founded by David Leech, for whom it was later named, and was incorporated as a borough in 1850....

.