44 Monongahela River

Barren Run is a 5.63 mi (9.06 km) long 2nd order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.

Belson Run is a 2.55 mi (4.10 km) long 1st order tributary to Sewickley Creek in Westmoreland County, Pennsylvania. This is the only stream of this name in the United States.

Boyer Run is a 2.98 mi (4.80 km) long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Brinker Run is a 3.41 mi (5.49 km) long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Browneller Run is a 1.96 mi (3.15 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania. This is the only stream of this name in the United States.

Brush Run is a 6.99 mi (11.25 km) long 2nd order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.

Buffalo Run is a 3.89 mi (6.26 km) long 3rd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Crawford Run is a 2.80 mi (4.51 km) long 1st order tributary to the Youghiogheny River in Allegheny County, Pennsylvania.

Dickerson Run is a 3.36 mi (5.41 km) long 3rd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Furnace Run is a 2.70 mi (4.35 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Galley Run is a 2.91 mi (4.68 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania. This is the only stream of this name in the United States.

Gillespie Run is a 4.11 mi (6.61 km) long 3rd order tributary to the Youghiogheny River in Allegheny County, Pennsylvania.

Hickman Run is a 3.05 mi (4.91 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Hunters Run is a 2.69 mi (4.33 km) long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Jacks Run is a 9.44 mi (15.19 km) long 3rd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Kelly Run is a 2.83 mi (4.55 km) long 1st order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Laurel Run is a 3.76 mi (6.05 km) long 2nd order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.

Lick Run is a 2.68 mi (4.31 km) long 1st order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Little Sewickley Creek is a 13.42 mi (21.60 km) long 3rd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Meadow Run is a 5.24 mi (8.43 km) long 2nd order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.

The Monongahela River —often referred to locally as the Mon —is a 130-mile-long (210 km) river on the Allegheny Plateau in north-central West Virginia and southwestern Pennsylvania. The river flows from the confluence of its west and east forks in north-central West Virginia northeasterly into southwestern Pennsylvania, then northerly to Pittsburgh and its confluence with the Allegheny River to form the Ohio River. The river's entire length is navigable via a series of locks and dams.

Mounts Creek is a 13.11 mi (21.10 km) long 3rd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Pinkerton Run is a 2.18 mi (3.51 km) long 1st order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Pollock Run is a 5.55 mi (8.93 km) long 2nd order tributary to the Youghiogheny River in Allegheny County, Pennsylvania. This is the only stream of this name in the United States.

Sherrick Run is a 4.31 mi (6.94 km) long 1st order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.

Shupe Run is a 3.08 mi (4.96 km) long 2nd order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.

Smiley Run is a 2.80 mi (4.51 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Stauffer Run is a 3.98 mi (6.41 km) long 2nd order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.

Township Line Run is a 5.82 mi (9.37 km) long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania. Township Line Run straddles to boundary between Unity and Hempfield Township and of Mount Pleasant and Hempfield Township. This is the only stream of this name in the United States.

Virgin Run is a 3.44 mi (5.54 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania. This is the only stream of this name in the United States.

Washington Run is a 5.16 mi (8.30 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Welty Run is a 6.59 mi (10.61 km) long 3rd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania. This is the only stream of this name in the United States.

Wilson Run is a 5.64 mi (9.08 km) long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Workman Run is a 1.39 mi (2.24 km) long 1st order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Braddock Locks & Dam is one of nine navigational structures on the Monongahela River between Pittsburgh, Pennsylvania and Fairmont, West Virginia. Built and maintained by the U.S. Army Corps of Engineers, the gated dam and the lock form an upstream pool that is for 12.6 miles (20.3 km), stretching to Elizabeth, Pennsylvania.

The California Boatyards was a boatyard in California, Pennsylvania along the Monongahela River.

Elizabeth Locks & Dam is one of nine navigational structures on the Monongahela River between Pittsburgh, Pennsylvania and Fairmont, West Virginia. Maintained and built by the U.S. Army Corps of Engineers, the gated dam forms an upstream pool that extends for 23.8 miles, stretching to Charleroi, Pennsylvania.

Emerald View Park is a large municipal park in Pittsburgh, Pennsylvania. It encircles the neighborhoods of Mt. Washington, Duquesne Heights and Allentown and offers scenic views of the city that draw more than 1 million visitors annually.

The Gateway Clipper Fleet, founded by John E. Connelly, is a Pittsburgh, Pennsylvania-based fleet of riverboats. The fleet cruises the three rivers of Pittsburgh - the Monongahela, Allegheny, and Ohio. The fleet is named after the city of Pittsburgh, which in earlier times was known as the "Gateway to the West". The original riverboat was Gateway Clipper, which set sail in 1958. By the mid-1960s, the fleet was composed of three craft, Gateway Clipper, Party Liner, and Good Ship Lollipop. In 1999 it added its fifth ship. In 2008 the Gateway Clipper Fleet celebrated its 50th year of sailing on the Three Rivers. In 2013, the fleet added its sixth ship, the all-steel classic paddle wheel Three Rivers Queen.

Maxwell Lock and Dam is a navigational lock and gated dam on the Monongahela River between Centerville in Washington County, and Luzerne Township in Fayette County in Pennsylvania. It is part of a series of dams that canalizes the Monongahela to a depth of at least 9 feet (2.7 m) for its entire length from Fairmont, West Virginia to Pittsburgh, Pennsylvania. It is maintained by the U.S. Army Corps of Engineers, Pittsburgh District.

The Monongahela Wharf was the key wharf of Pittsburgh, Pennsylvania, United States, on the Monongahela River. It was in use from the late 19th century until the dam was built in the Ohio river, causing it to be underwater.

The Port of Pittsburgh is a vast river traffic region in southwestern Pennsylvania. It spans a twelve-county area including Allegheny, Armstrong, Beaver, Blair, Butler, Clarion, Fayette, Greene, Indiana, Lawrence, Washington, and Westmoreland Counties. It encompasses essentially all 200 miles of commercially navigable waterways in southwestern Pennsylvania, including the three major rivers in this region: the Allegheny, the Monongahela, and the Ohio. These waterways are made navigable by a system of seventeen locks and dams. The Port of Pittsburgh supports over 200 river terminals and barge industry service suppliers, including privately owned public river terminals. The port complex is served by the CSX and Norfolk Southern railroads and by four interstate highways. The Port of Pittsburgh Commission acts as a comprehensive service for shippers and industries seeking information on the river system.

Three Rivers Park is a public urban waterfront park along the Allegheny, Monongahela, and Ohio Rivers in Pittsburgh, Pennsylvania.

The West End-Elliott Overlook Park is a small municipal park and scenic viewpoint in the Elliott neighborhood of Pittsburgh, Pennsylvania.