Allegheny, Alleghany or Allegany may refer to:

Places

Geologic and geographic features

Allegheny River The Allegheny River ( ; ; ) is a tributary of the Ohio River that is located in western Pennsylvania and New York (state), New York in the United States. It runs from its headwaters just below the middle of Pennsylvania's northern border, nor ...

, in Pennsylvania and New York *

Allegheny Mountains The Allegheny Mountain Range ( ) — also spelled Alleghany or Allegany, less formally the Alleghenies — is part of the vast Appalachian Mountain Range of the Eastern United States and Canada. Historically it represented a significant barr ...

, part of the Appalachian Mountain Range in West Virginia, Pennsylvania, Maryland and Virginia **

Allegheny Mountain (Pennsylvania) Allegheny Mountain is a stratigraphic ridge that extends northeast to southwest from south of Blue Knob to a saddle point at the Savage Mountain anticline. It merges with Negro Mountain just north of the Cambria County line where the Berlin-Sal ...

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

Little Allegheny Mountain Little is a synonym for small size and may refer to: Arts and entertainment * ''Little'' (album), 1990 debut album of Vic Chesnutt * ''Little'' (film), 2019 American comedy film *The Littles, a series of children's novels by American author John P ...

, 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 Mountains, Allegheny Range of the Appalachians. Geography Back Allegheny Mountain runs north to south a ...

, in West Virginia *

Allegheny Plateau The Allegheny Plateau ( ) is a large dissected plateau area of the Appalachian Mountains in western and central New York, northern and western Pennsylvania, northern and western West Virginia, and eastern Ohio. It is divided into the unglacia ...

, 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. The Allegheny Front forms the boundary between the Ridge-an ...

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

Allegheny Formation The Allegheny Group, often termed the Allegheny Formation, is a Pennsylvanian-age geological unit in the Appalachian Plateau. It is a major coal-bearing unit in the eastern United States, extending through western and central Pennsylvania, weste ...

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

Counties

Allegany County, Maryland Allegany County is a County (United States), county located in the northwestern part of the U.S. state of Maryland. As of the 2020 United States census, 2020 census, the population was 68,106. Its county seat is Cumberland, Maryland, Cumberland ...

Allegany County, New York Allegany County is a county in the U.S. state of New York. As of the 2020 census, the population was 46,456. Its county seat is Belmont. Its name derives from a Lenape word, applied by European-American settlers of Western New York State to ...

Alleghany County, North Carolina Alleghany County ( )
, from the North Carolina Collection website at the University of North Caro ...

Alleghany County, Virginia Alleghany County is an American county located on the far western edge of Commonwealth of Virginia. It is bordered by the Allegheny Mountains, from which the county derives its name, and it is the northernmost part of the Roanoke Region. The ...

Allegheny County, Pennsylvania Allegheny County ( ) is a County (United States), county in Pennsylvania, United States. As of the 2020 census, the population was 1,250,578, making it the List of counties in Pennsylvania, state's second-most populous county, after Philadelp ...

Communities and townships

* Alleghany, California, unincorporated community in Sierra County * Allegheny, Kentucky *

Allegheny, Pennsylvania Allegheny City was a municipality that existed in the U.S. state of Pennsylvania from 1788 until it was annexed by Pittsburgh in 1907. It was located north across the Allegheny River from downtown Pittsburgh, with its southwest border formed by ...

, a city annexed by the city of Pittsburgh in 1907 *

Allegheny Township, Blair County, Pennsylvania Allegheny Township is a township in Blair County, Pennsylvania, United States. The population was 6,585 at the 2020 census. It is part of the Altoona, Pennsylvania Metropolitan Statistical Area. Geography Allegheny Township is located in wes ...

Allegheny Township, Butler County, Pennsylvania Allegheny Township is a township in Butler County, Pennsylvania, United States. The population was 624 at the 2020 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 to ...

Allegheny Township, Somerset County, Pennsylvania Allegheny Township is a township in Somerset County, Pennsylvania, United States. The population was 615 at the 2020 census. It is part of the Johnstown, Pennsylvania, Metropolitan Statistical Area. History The remains of Fort Dewart (Duart) ...

Allegheny Township, Venango County, Pennsylvania Allegheny Township is a township in Venango County, Pennsylvania, United States. The population was 283 at the 2020 census, an increase from 276 in 2010, which was, in turn, a decline from the tabulation of 281 as of the 2000 census. Geography ...

Allegheny Township, Westmoreland County, Pennsylvania Allegheny Township is a township in Westmoreland County, Pennsylvania, United States. The population was 8,316 at the 2020 census, an increase from 8,002 at the 2000 census. It is the northernmost municipality of Westmoreland County. The munici ...

Protected areas

Allegheny National Forest The Allegheny National Forest is a National Forest in Northwestern Pennsylvania, about 100 miles northeast of Pittsburgh. The forest covers of land. Within the forest is Kinzua Dam, which impounds the Allegheny River to form Allegheny Reserv ...

, Pennsylvania *

Allegheny National Recreation Area The Allegheny National Recreation Area is a national recreation area of the United States, located on the Allegheny Plateau in northwestern Pennsylvania. It is administered by the United States Forest Service as part of the Allegheny National F ...

, Pennsylvania *

Allegheny Wildlife Management Area The Allegheny Wildlife Management Area High Allegheny National Park and Preserve The Monongahela National Forest is a national forest located in the Allegheny Mountains of eastern West Virginia, US. It protects over of federally managed land within a proclamation boundary that includes much of the Potomac Highlands Regi ...

, a proposed NPS unit in West Virginia

Man-made features

Allegheny Cabin Rohrbaugh Cabin — also known as Allegheny Cabin — is a historic log cabin located on the eastern slope of North Fork Mountain near Petersburg, Grant County, West Virginia, USA. Rohrbaugh Cabin was built about 1880, and is a -story, "doub ...

(Rohrbaugh Cabin), historic structure in eastern West Virginia *

Allegheny Observatory The Allegheny Observatory is an American astronomical research institution, a part of the Department of Physics and Astronomy at the University of Pittsburgh. The facility is listed on the National Register of Historic Places (ref. # 79002157, a ...

, 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 m ...

, a vehicular tunnel on the Pennsylvania Turnpike *

Allegheny Reservoir The Allegheny Reservoir (also known as Kinzua Lake and unofficially as Lake Perfidy) is a reservoir along the Allegheny River in Pennsylvania and New York (state), New York, USA. It was created in 1965 by the construction of the Kinzua Dam along ...

, a reservoir on the Allegheny River * Allegheny River Tunnel, a light rail tunnel under the Allegheny River in Pittsburgh *

Trans-Allegheny Lunatic Asylum The Trans-Allegheny Lunatic Asylum was a psychiatric hospital located in Weston, West Virginia, and known by other names, such as West Virginia Hospital for the Insane and Weston State Hospital. The asylum was open to patients from October 1864 u ...

, a former psychiatric hospital turned tourist attraction in West Virginia

Trails

* Allegheny Trail, a hiking trail in West Virginia *

Great Allegheny Passage The Great Allegheny Passage (GAP) is a rail trail A rail trail or railway walk is a shared-use path on a Right of way#Rail right of way, railway right of way. Rail trails are typically constructed after a railway has been abandoned and the t ...

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, ...

, a rail trail

Rail

* ''Allegheny'' (train), a passenger train operated by the Pennsylvania Railroad *

Allegheny Railroad The Allegheny Railroad was an American railroad company operating in northwestern Pennsylvania. The Allegheny Railroad began operations on September 3, 1985. It operated of line between milepost 2.8 located at Erie, Pennsylvania and milepost 1 ...

, a railroad operating in northwestern Pennsylvania (1985–92) *

Allegheny station (disambiguation) Allegheny station may refer to: * Allegheny station (PAAC), a Pittsburgh Light Rail station * Allegheny station (SEPTA Regional Rail), a SEPTA Regional Rail station in Philadelphia See also * Allegheny (disambiguation) {{Station disambiguatio ...

, stations of the name *

Allegheny Valley Railroad (disambiguation) Allegheny Valley Railroad is the name of two different railroads in Pennsylvania: * Allegheny Valley Railroad (1852–1892), later part of the Pennsylvania Railroad * Allegheny Valley Railroad (1995) The Allegheny Valley Railroad is a class III ...

, railroads of that name * 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. 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 local service carrier 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 i ...

, a forerunner of US Airways *

Allegheny College Allegheny College is a private liberal arts college in Meadville, Pennsylvania, United States. Founded in 1815, Allegheny is the oldest college in continuous existence under the same name west of the Allegheny Mountains. It is a member of the G ...

, in Meadville, Pennsylvania *

Allegheny Energy Allegheny Energy was an electric utility headquartered in Greensburg, Pennsylvania. It owned and operated electric generation facilities and delivered electric services to customers in Pennsylvania, West Virginia, Maryland, and Virginia. Allegh ...

, a public utility (including its subsidiary Allegheny Power) * Allegheny Foundation, a charitable organization focused on Western Pennsylvania *

Allegheny Mountain Radio Allegheny Mountain Radio or AMR is a network of full service, freeform-formatted community radio stations broadcasting to portions of West Virginia and Virginia in the United States. The stations serve Pocahontas County, West Virginia as well as ...

, a network of radio stations in West Virginia and Virginia *

Allegheny Technologies ATI Inc. (previously Allegheny Technologies Incorporated) is an American producer of specialty materials headquartered in Dallas, Texas. ATI produces metals including titanium and titanium alloys, nickel-based alloys and superalloys, stainles ...

, a specialty metals company *

Allegheny (titular see) The Diocese of Allegheny () was a Latin Church diocese of the Catholic Church, in the state of Pennsylvania from 1876–1889. 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 (19th century), American Association's Pittsburgh Alleghenies that we ...

, 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 Southeastern United States, southeast United States from West Virginia and Kentucky south to Florida, and west t ...

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

hellbender The hellbender (''Cryptobranchus alleganiensis''), also known as the hellbender salamander, is a species of aquatic giant salamander endemic to the eastern and central United States. It is the largest salamander in North America. A member of the ...

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 Massachusetts and New York to ...

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