Allegheny, Alleghany or Allegany may refer to:

Places

Geologic and geographic features

Allegheny River The Allegheny River ( ) is a long headwater stream of the Ohio River in western Pennsylvania and New York (state), New York. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into ...

, in Pennsylvania and New York *

Allegheny Mountains The Allegheny Mountain Range (; also spelled Alleghany or Allegany), informally the Alleghenies, is part of the vast Appalachian Mountain Range of the Eastern United States and Canada and posed a significant barrier to land travel in less devel ...

, part of the Appalachian Mountain Range in West Virginia, Pennsylvania, Maryland and Virginia ** Allegheny Mountain (Pennsylvania), major mountain ridge in the northern part of the Allegheny Mountains ** Little Allegheny Mountain, in Pennsylvania and Maryland; see list of mountains of the Alleghenies **

Allegheny Mountain (West Virginia–Virginia) Allegheny Mountain (spelling as Alleghany Mountain in Virginia) is a major mountain ridge in the southern range of the Allegheny Mountains, part of the Appalachian Mountains. It forms the Eastern Continental Divide along part of its course and a ...

, major mountain ridge in the southern part of the Allegheny Mountains **

Back Allegheny Mountain Back Allegheny Mountain is a long mountain ridge in eastern West Virginia. It is part of the Shavers Fork Mountain Complex in the Allegheny Range of the Appalachians. Geography Back Allegheny Mountain runs north to south and east to west, c ...

, in West Virginia * Allegheny Plateau, which terminates in the east at the Allegheny Mountains *

Allegheny Front The Allegheny Front is the major southeast- or east-facing escarpment in the Allegheny Mountains in southern Pennsylvania, western Maryland, eastern West Virginia, and western Virginia, USA. The Allegheny Front forms the boundary between the Rid ...

, the escarpment delineating the eastern edge of the Allegheny Plateau *

Allegheny Formation The Pennsylvanian Allegheny Formation is a mapped bedrock unit in western and central Pennsylvania, western Maryland and West Virginia, and southeastern Ohio. It is a major coal-bearing unit in the Appalachian Plateau of the eastern United States ...

, a mapped bedrock unit of West Virginia, Maryland and Pennsylvania

Counties

Allegany County, Maryland Allegany County is located in the northwestern part of the U.S. state of Maryland. As of the 2020 census, the population was 68,106. Its county seat is Cumberland. The name ''Allegany'' may come from a local Lenape word, ''welhik hane'' or '' ...

Allegany County, New York Allegany County is a County (United States), county in the Southern Tier of the U.S. state of New York (state), New York. As of the United States Census 2020, 2020 census, the population was 46,456. Its county seat is Belmont, New York, Belmont. ...

Alleghany County, North Carolina Alleghany County (
, from the North Carolina Collection website at the

...

* Alleghany County, Virginia * Allegheny County, Pennsylvania

Communities and townships

Alleghany, California Alleghany is a small census-designated place in Sierra County, California, Sierra County, California, United States in the Sierra Nevada (U.S.), Sierra Nevada. It is situated in the Gold Country and continues to be a significant locale for gold min ...

, unincorporated community in Sierra County * Allegheny, Kentucky * Allegheny, Pennsylvania, a city annexed by the city of Pittsburgh in 1907 * Allegheny Township, Blair County, Pennsylvania *

Allegheny Township, Butler County, Pennsylvania Allegheny Township is a township in Butler County, Pennsylvania, United States. The population was 641 at the 2010 census. Geography The township is located in the northeastern corner of Butler County. It is bordered by Parker Township to the s ...

Allegheny Township, Cambria County, Pennsylvania Allegheny Township is a township in Cambria County, Pennsylvania, United States. It is part of the Johnstown, Pennsylvania Metropolitan Statistical Area. The population was 2,851 at the 2010 census, up from 2,498 at the 2000 census. The townsh ...

* Allegheny Township, Somerset County, Pennsylvania * Allegheny Township, Venango County, Pennsylvania * Allegheny Township, Westmoreland County, Pennsylvania

Protected areas

* Allegheny National Forest, Pennsylvania * Allegheny National Recreation Area, Pennsylvania * Allegheny Wildlife Management Area, in Mineral County, West Virginia * High Allegheny National Park and Preserve, a proposed NPS unit in West Virginia

Man-made features

* Allegheny Cabin (Rohrbaugh Cabin), historic structure in eastern West Virginia * Allegheny Observatory, at the University of Pittsburgh *

Allegheny Mountain Tunnel The Allegheny Mountain Tunnel is a vehicular tunnel carrying the Pennsylvania Turnpike through the Allegheny Mountains. At this point, the Turnpike carries Interstates 70 and 76. When the tunnel was built, it was considered an "engineering ...

, a vehicular tunnel on the Pennsylvania Turnpike * Allegheny Reservoir, a reservoir on the Allegheny River *

Allegheny River Tunnel The North Shore Connector is a light-rail extension opened in 2012 in Pittsburgh, Pennsylvania. The connector extends the Pittsburgh Light Rail system from its previous terminus at Gateway Center Station in the Central Business District to the n ...

, a light rail tunnel under the Allegheny River in Pittsburgh

Trails

Allegheny Trail The Allegheny Trail is a hiking trail that passes through the Allegheny Mountains in West Virginia, United States. It is the longest named trail in the state excepting the Appalachian Trail, of which traverses the state at Harper's Ferry. The ...

, a hiking trail in West Virginia * Great Allegheny Passage including parts in Maryland and Pennsylvania *

Allegheny Highlands Trail of Maryland The Allegheny Highlands Trail of Maryland (AHTM) is a long rail trail between the C&O Canal in Cumberland and the Mason–Dixon line, where it meets the Allegheny Highlands Trail of Pennsylvania. It forms part of the Pittsburgh–Washington, DC ...

, a rail trail

Rail

* ''Allegheny'' (train), a passenger train operated by the Pennsylvania Railroad * Allegheny Railroad, a railroad operating in northwestern Pennsylvania (1985–92) *

Allegheny station (disambiguation) Allegheny station may refer to: *Allegheny station (Broad Street Line), a SEPTA station in Philadelphia on the Broad Street Line *Allegheny station (Market–Frankford Line), a SEPTA station in Philadelphia on the Market–Frankford Line *Allegheny ...

, stations of the name *

Allegheny Valley Railroad The Allegheny Valley Railroad is a class III railroad that operates in Western Pennsylvania, and is owned by Carload Express, Carload Express, Inc. AVR acts as a feeder line connecting its many and varied customers to Class I railroads such as ...

, a railroad operating in Western Pennsylvania since 1992 *

Allegheny Valley Street Railway West Penn Railways, one part of the West Penn System, was an interurban electric railway headquartered in Connellsville, Pennsylvania. It was part of the region's power generation utility. History West Penn Railways consisted of of electric trol ...

, an electric rail line operating along the Allegheny River (1906–37) * Allegheny class, a class of

2-6-6-6 The 2-6-6-6 (in Whyte notation) is an articulated locomotive type with two leading wheels, two sets of six driving wheels and six trailing wheels. Only two classes of the 2-6-6-6 type were built. One was the "Allegheny" class, built by the Lima L ...

locomotives

Organizations

Alleghany Corp. Alleghany Corporation is an American investment holding company originally created by the railroad entrepreneurs Oris and Mantis Van Sweringen as a holding company for their railroad interests. It was incorporated in 1929 and reincorporated ...

, an insurance holding company *

Allegheny Airlines Allegheny Airlines was a regional airline that operated out of Pittsburgh, Pennsylvania, from 1952 to 1979 with routes primarily located in the eastern U.S. It was the forerunner of USAir that was subsequently renamed US Airways, which itself me ...

, a forerunner of US Airways * Allegheny College, in Meadville, Pennsylvania * Allegheny Energy, a public utility (including its subsidiary Allegheny Power) * Allegheny Foundation, a charitable organization focused on Western Pennsylvania * Allegheny Mountain Radio, a network of radio stations in West Virginia and Virginia * Allegheny Technologies, a specialty metals company * Allegheny (titular see), a Roman Catholic titular see *

Pittsburgh Allegheny (International Association) Pittsburgh Allegheny was the name of the first professional baseball club to represent Pittsburgh, Pennsylvania. The team was an unrelated forerunner to the American Association's Pittsburgh Alleghenies that were established in 1882, which continue ...

, a nineteenth century minor league baseball team that, at times, played under the name "Allegheny"

Biology

* ''

Pachysandra procumbens ''Pachysandra procumbens'', the Allegheny pachysandra or Allegheny spurge, is a flowering plant in the family Buxaceae, native to the southeast United States from West Virginia and Kentucky south to Florida, and west to Louisiana. The name ''Alle ...

'' or Allegheny pachysandra, a plant in the box family *

Allegheny woodrat The Allegheny woodrat (''Neotoma magister''), is a species of "pack rat" in the genus ''Neotoma''. Once believed to be a subspecies of the eastern woodrat (''Neotoma floridana''), extensive DNA analysis has proven it to be a distinct species. D ...

, a species of pack rat in the eastern US * Allegheny Mountain dusky salamander, a species of the eastern US and Canada *

Allegheny mound ant The Allegheny mound ant (''Formica exsectoides'') is a species of ant native to the Atlantic area of North America. Its range extends from Nova Scotia to parts of Georgia. Like other field ants, the Allegheny mound ant builds large mounds, howev ...

, a species of the eastern US and Canada * "Allegheny alligator", nickname for the hellbender *

Allegheny chinquapin ''Castanea pumila'', commonly known as the Allegheny chinquapin, American chinquapin (from the Powhatan) or dwarf chestnut, is a species of chestnut native to the southeastern United States. The native range is from Maryland and extreme southern ...

(''Castanea pumila''), a species of chestnut