Great Allegheny Passage

Collinsburg is a census-designated place located in Rostraver Township, Westmoreland County in the state of Pennsylvania. As of the 2010 census the population was 1,125 residents.

Plumer House is a historic home located at West Newton, Westmoreland County, Pennsylvania. The original section was built in 1814, with an addition made in 1846. The original section is a ​2 1⁄2-story, wood-frame structure with a gable roof. The addition is a ​2 1⁄2-story, brick structure with a gable roof and two chimneys.

Smithdale is an unincorporated community and coal town in Allegheny County, Pennsylvania, United States. It is located in Elizabeth Township in the southeastern corner of Allegheny County, along the south bank of the Youghiogheny River. Immediately to the southeast is Collinsburg in Westmoreland County.

Dick Building, also known as the Cornerstone Building, is a historic commercial and apartment building located at West Newton, Westmoreland County, Pennsylvania. The original section was built in 1890, with an addition made between 1910 and 1925. It is a three-story, "L"-shaped brick building executed in the Romanesque Revival style.

The West Newton Bridge is a structure that crosses the Youghiogheny Riverbetween the eastern and western portions of West Newton, Pennsylvania. Constructed in 1907, the bridge carries two lanes of Pennsylvania Route 136. In an era in which many truss bridges were replaced, the structure was instead rehabilitated in 1984, as part of a proposal for a historic district along West Newton's Main Street.

The Sutersville Bridge is a structure that crosses the Youghiogheny Riverbetween Sutersville and Elizabeth Township, Pennsylvania. It connects a rural southeastern corner of Allegheny County with a small Westmoreland County town.Previously, a 1902 truss bridge stood on the site. It was replaced by the current bridge in 1986, as part of a major rehabilitation project along Western Pennsylvania's rivers; it shares its construction style with a variety of other bridges assembled during the same era.

West Newton, located 24.5 miles (39.4 km) southeast of Pittsburgh, is a borough in Westmoreland County in the U.S. state of Pennsylvania. Formerly, the manufacture of radiators and boilers were the chief industries. The population was 2,633 at the 2010 census.

Sutersville is a borough in Westmoreland County, Pennsylvania, United States. The population was 605 at the 2010 census.