Monongahela or Mon Valley may refer to:

Places

Monongahela, Pennsylvania Monongahela, referred to locally as Mon City, is a Local government in Pennsylvania#Third class cities, third class city in Washington County, Pennsylvania, United States. The population was 4,149 at the 2020 census. It is part of the Pittsburgh ...

, a city in Washington County **

Monongahela Cemetery The Monongahela Cemetery is an historic rural cemetery in Monongahela, Pennsylvania that was established in 1863. Landscape architects Hare & Hare designed a portion of the property. History and notable features The cemetery was listed on the U ...

, a historic cemetery in Monongahela City, Pennsylvania **

Monongahela City Bridge The Monongahela City Bridge, officially known as the General Carl E. Vuono Bridge, spans the Monongahela River from the City of Monongahela in Washington County, Pennsylvania to Forward Township in Allegheny County, Pennsylvania. It was built ...

, spans the Monongahela River *

Monongahela National Forest The Monongahela National Forest is a U.S. National Forest, 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 Po ...

, a national forest in eastern West Virginia *

Monongahela River The Monongahela River ( , ), sometimes referred to locally as the Mon (), is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed August 15, 2011 river on the Allegheny Plateau in nor ...

, a tributary of the Ohio River **

Battle of the Monongahela The Battle of the Monongahela (also known as the Battle of Braddock's Field and the Battle of the Wilderness) took place on July 9, 1755, at the beginning of the French and Indian War at Braddock's Field in present-day Braddock, Pennsylvania, ...

(9 July 1755), at the beginning of the French and Indian War *

Lake Monongahela Lake Monongahela was a proglacial lake in western Pennsylvania, West Virginia, and Ohio. It formed during the Pre-Illinoian ice epoch when the advance of the ice sheet southwards blocked the drainage of these valleys to the north. The lake form ...

, former Proglacial lake in Pennsylvania, West Virginia, and Ohio *

Monongahela Formation The Monongahela Formation is a geologic formation in West Virginia, Pennsylvania, Ohio, and Maryland. It is dated to the Carboniferous period. The top of the group is marked by the Waynesburg Coal (No. 11 Coal) and its base is marked by the Pi ...

, a geologic group

Railways

Monongahela Railway The Monongahela Railway was a coal-hauling Class II railroad in Pennsylvania and West Virginia in the United States. It was jointly controlled originally by the Pennsylvania Railroad, New York Central subsidiary Pittsburgh and Lake Erie Railr ...

, a coal-hauling short line railroad in Pennsylvania and West Virginia in the United States *

Monongahela Connecting Railroad The Monongahela Connecting Railroad or Mon Conn was a three-mile industrial railroad line in Pittsburgh, Pennsylvania. It was a subsidiary of the Jones & Laughlin Steel Company and a large portion of its work was for its parent company, though i ...

, a small industrial railroad in Pittsburgh, Pennsylvania *

Monongahela Freight Incline The Monongahela Freight Incline was a funicular railway that scaled Mount Washington in Pittsburgh, Pennsylvania, United States. History and features Designed by European immigrants Samuel Diescher and John Endres, this incline was built besi ...

, a funicular railway that scaled Mount Washington *

Monongahela Incline The Monongahela Incline is a funicular on the South Side in Pittsburgh, Pennsylvania, United States, near the Smithfield Street Bridge. Designed and built by Prussian-born engineer John Endres in 1870, it is the oldest continuously operating ...

, a funicular located near the Smithfield Street Bridge in Pittsburgh, Pennsylvania

Other

* ''Monongahela'' (album), a 1988 album by The Oak Ridge Boys * ''Monongahela'' (fish), a genus of prehistoric fish *''

Monongahela virus Monongahela or Mon Valley may refer to: Places *Monongahela, Pennsylvania, a city in Washington County ** Monongahela Cemetery, a historic cemetery in Monongahela City, Pennsylvania ** Monongahela City Bridge, spans the Monongahela River *Monongahe ...

'', an Orthohantavirus *

Monongahela culture The Monongahela culture were an Iroquoian Native American cultural manifestation of Late Woodland peoples from AD 1050 to 1635 in present-day Western Pennsylvania, western Maryland, eastern Ohio, and West Virginia. The culture was named by Mary ...

, a Native American group * USS ''Monongahela'', one of various ships of the United States Navy * the ''Mon Valley'', a variant name of the PATrain commuter rail service *''Monongahela'', a whaleship lost in 1853. {{disambiguation, geo