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, 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 This list of ridges and summits of the Allegheny Mountains identifies geographic elevations for about 500 miles (800 km) from north central Pennsylvania, through eastern West Virginia and western Maryland, to western Virginia in the USA. The ...

** Allegheny Mountain (West Virginia–Virginia), major mountain ridge in the southern part of the Allegheny Mountains ** Back Allegheny Mountain, in West Virginia * Allegheny Plateau, which terminates in the east at the Allegheny Mountains * Allegheny Front, the escarpment delineating the eastern edge of the Allegheny Plateau * Allegheny Formation, 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, unincorporated community in Sierra County *

Allegheny, Kentucky Allegheny was an unincorporated community and coal town in Pike County, Kentucky, United States. The coal works are no longer active and the site of the former community is now a ghost town Ghost Town(s) or Ghosttown may refer to: * Ghost tow ...

* 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 ...

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, a vehicular tunnel on the Pennsylvania Turnpike * Allegheny Reservoir, a reservoir on the Allegheny River * Allegheny River Tunnel, a light rail tunnel under the Allegheny River in Pittsburgh * Trans-Allegheny Lunatic Asylum, a former psychiatric hospital turned tourist attraction in West Virginia

Trails

* Allegheny Trail, a hiking trail in West Virginia * Great Allegheny Passage including parts in Maryland and Pennsylvania * Allegheny Highlands Trail of Maryland, 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), stations of the name * Allegheny Valley Railroad, a railroad operating in Western Pennsylvania since 1992 * Allegheny Valley Street Railway, 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) The Diocese of Allegheny is a former Roman Catholic diocese of the United States (1876–1889), in the state of Pennsylvania. It is currently an episcopal titular see, known in Latin as ''Dioecesis Alleghenensis''. History In November 1875, Bi ...

, 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, 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