Johnson Run (Youghiogheny River tributary)

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

Crooked Run is a 2.45 mi (3.94 km) long 1st order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Sugar Run is a 1.01 mi (1.63 km) long 1st order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Joanthan Run is a 4.95 mi (7.97 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Bear Run is a 5.0-mile-long (8.0 km) tributary of the Youghiogheny River in Fayette County, Pennsylvania, in the United States. Bear Run is in the Appalachian Mountains and part of the Pittsburgh metropolitan area. The Fallingwater house, designed by architect Frank Lloyd Wright, is located on this stream at the locality known as Mill Run.Bear Run is inside the Bear Run Nature Reserve, protected by the Western Pennsylvania Conservancy. Bear Run is a designated Pennsylvania Scenic River. The nearest incorporated town is Ohiopyle, once a resort town for affluent Pittsburghers reaching the Ferncliff peninsula via rail. Ohiopyle today is the focal point of tourism in the Laurel Highlands, drawing many of the same visitors as Fallingwater, located a few miles away on PA State Route 381.

Fallingwater is a house designed by the architect Frank Lloyd Wright in 1935 in the Laurel Highlands of southwest Pennsylvania, about 70 miles (110 km) southeast of Pittsburgh in the United States. It is built partly over a waterfall on Bear Run in the Mill Run section of Stewart Township, Pennsylvania. The house was designed to serve as a weekend retreat for Liliane and Edgar J. Kaufmann, the owner of Pittsburgh's Kaufmann's Department Store. After its completion, Time called Fallingwater Wright's "most beautiful job" and it is listed among Smithsonian's "Life List of 28 Places to See Before You Die". The house was designated a National Historic Landmark on May 11, 1976. In 1991, members of the American Institute of Architects named Fallingwater the "best all-time work of American architecture" and in 2007, it was ranked 29th on the list of America's Favorite Architecture according to the AIA.The house and seven other Wright constructions were inscribed as a World Heritage Site under the title, "The 20th-Century Architecture of Frank Lloyd Wright", in 2019.

Morgan Run is a 5.82 mi (9.37 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.

Indian Creek is a 31.0-mile-long (49.9 km) tributary of the Youghiogheny River in Fayette County, Pennsylvania in the United States.Indian Creek drains the west slope of Laurel Hill in the Laurel Highlands and cuts a steep side canyon into the Youghiogheny Gorge to join the Youghiogheny River between Ohiopyle and Connellsville.

The Mill Run Wind Energy Center is a wind farm located in Fayette County, Pennsylvania with ten 1.5 MW Enron Wind TZs that began commercial operation in November 2001. The wind farm has a combined total nameplate capacity of 15 MW, but actually produces about 39,420 megawatt-hours of electricity annually. The wind farm was developed by Atlantic Renewable Energy and Horizon Wind Energy, and constructed and operated by NextEra Energy Resources, based in Florida.

Stewart Township is a township in Fayette County, Pennsylvania, United States. It is part of the Pittsburgh metropolitan area. The population was 623 at the 2020 census.Stonerville and Kaufmann are the only villages in this very rural township, which is served by the Uniontown Area School District. Two U.S. National Historic Landmarks are in Stewart Township. They are Fallingwater and Kentuck Knob. Both were designed by Frank Lloyd Wright and are available for touring.