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. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into New York then i ...

, 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) 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 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 The Allegheny Plateau , in the United States, is a large dissected plateau area of the Appalachian Mountains in western and central New York (state), New York, northern and western Pennsylvania, northern and western West Virginia, and eastern Oh ...

, 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 ...

, 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 ''o ...

Allegany County, New York Allegany County is a county in the Southern Tier of 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 Weste ...

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

...

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 in the Commonwealth of Pennsylvania. It is located in Southwestern Pennsylvania. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county, following Philadelphia Co ...

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 to ...

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 western ...

* Allegheny Township, Butler County, Pennsylvania * Allegheny Township, Cambria County, Pennsylvania *

Allegheny Township, Somerset County, Pennsylvania Allegheny Township is a township in Somerset County, Pennsylvania, United States. The population was 613 at the 2020 census. It is part of the Johnstown, Pennsylvania, Metropolitan Statistical Area. History The remains of Fort Dewart (Duart) are ...

Allegheny Township, Venango County, Pennsylvania Allegheny Township is a township in Venango County, Pennsylvania, United States. The population was 281 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 Ac ...

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 municip ...

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 Reservoir ...

, 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 For ...

, Pennsylvania *

Allegheny Wildlife Management Area The Allegheny Wildlife Management Area High Allegheny National Park and Preserve The High Allegheny National Park and Preserve was a proposed National Park Service (NPS) unit in the Allegheny Mountains of eastern West Virginia. If approved, it would be established by transferring the northern portions of the Monongahela Nationa ...

, 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, ad ...

, 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 "engineeri ...

, 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, USA. It was created in 1965 by the construction of the Kinzua Dam along the river. Lake Per ...

, a reservoir on the Allegheny River * Allegheny River Tunnel, 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 Ha ...

, a hiking trail in West Virginia *

Great Allegheny Passage The Great Allegheny Passage (GAP) is a rail trail between Pittsburgh, Pennsylvania and Cumberland, Maryland. Together with the C&O Canal towpath, the GAP is part of a route between Pittsburgh and Washington, D.C., that is popular with through ...

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 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), 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, Inc. AVR acts as a feeder line connecting its many and varied customers to Class I railroads such as CSX Transportati ...

, 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., 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 he, תגל ערבה ותפרח כחבצלת , mottoeng = "Add to your faith, virtue and to your faith, knowledge" (2 Peter 1:5)"The desert shall rejoice and the blossom as the rose" (Isaiah 35:1) , faculty = 193 ...

, 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 The Scaife Foundations refer collectively to three foundation (charity), foundations in Pittsburgh, Pennsylvania. The three subdivisions are: the Allegheny Foundation, the Sarah Scaife Foundation, and the Scaife Family Foundation. A fourth founda ...

, 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, the company is headquartered in Dallas, Texas. ATI produces titanium and titanium alloys, nickel-based alloys and superalloys, grain-ori ...

, 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), 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 The Allegheny Mountain dusky salamander (''Desmognathus ochrophaeus'') is a species in the Plethodontidae ( lungless salamander) family. It is found in the eastern United States, in the Niagara Glen Nature Reserve adjacent to the lower Niagara R ...

, 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''), a species of chestnut