Allegheny

Allegheny, Alleghany or Allegany may refer to:

Geologic and geographic features

 * Allegheny River, 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
 * 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, New York
 * Alleghany County, North Carolina
 * Alleghany County, Virginia
 * Allegheny County, Pennsylvania

Communities and townships

 * Alleghany, California, 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, Cambria County, Pennsylvania
 * 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 locomotives

Organizations

 * Alleghany Corp., an insurance holding company
 * Allegheny Airlines, 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), a nineteenth century minor league baseball team that, at times, played under the name "Allegheny"

Biology

 * Pachysandra procumbens 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, a species of the eastern US and Canada
 * "Allegheny alligator", nickname for the hellbender
 * Allegheny chinquapin (Castanea pumila), a species of chestnut