Monongahela or Mon Valley may refer to:
Places
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Monongahela, Pennsylvania, a city in Washington County
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Monongahela Cemetery, a historic cemetery in Monongahela City, Pennsylvania
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Monongahela City Bridge
The Monongahela City Bridge, officially 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 constructed to re ...
, spans the Monongahela River
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Monongahela National Forest, a national forest in eastern West Virginia
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Monongahela River, a tributary of the Ohio River
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Battle of the Monongahela (9 July 1755), at the beginning of the French and Indian War
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Lake Monongahela, former Proglacial lake in Pennsylvania, West Virginia, and Ohio
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Monongahela Formation, a geologic group
Railways
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Monongahela Railway, a coal-hauling short line railroad in Pennsylvania and West Virginia in the United States
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Monongahela Connecting Railroad, a small industrial railroad in Pittsburgh, Pennsylvania
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Monongahela Freight Incline, a funicular railway that scaled Mount Washington
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Monongahela Incline, a funicular located near the Smithfield Street Bridge in Pittsburgh, Pennsylvania
Other
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''Monongahela'' (album), a 1988 album by The Oak Ridge Boys
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''Monongahela'' (fish), a genus of prehistoric fish
*''
Monongahela virus'', an Orthohantavirus
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Monongahela culture, a Native American group
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USS ''Monongahela'', one of various ships of the United States Navy
* the ''Mon Valley'', a variant name of the
PATrain
The PATrain, also known as Mon Valley Commuter Rail, was a commuter rail service owned by the Port Authority of Allegheny County in the Monongahela Valley in the US state of Pennsylvania. Service began in 1975 when the Port Authority assumed owne ...
commuter rail service
*''Monongahela'', a whaleship lost in 1853.
{{disambiguation, geo