Blackstone, Pennsylvania

Gilpin Township is a Second class Township in Armstrong County, Pennsylvania, United States. At the 2010 census it had a population of 2,496. As of the 2020 census, its population had decreased to 2,411, a 3.4% decrease.

The Kiskiminetas River (commonly referred to as the Kiski by locals) is a tributary of the Allegheny River, approximately 27 miles (43 km) long, in Western Pennsylvania in the United States. The region stretching from the northern side of Harmar Township, Pennsylvania to the Kiskiminetas towns is often referred to by the locals as the Alle-Kiski Valley after the rivers.

The Freeport Rail Bridge is a truss bridge that carries the Norfolk Southern Railway across the Allegheny River between Freeport and Allegheny Township in Pennsylvania. A structure originally created on this site by the Pennsylvania Railroad as part of their West Penn Line in 1866. In 1895, the railroad replaced this bridge; the third and current incarnation was completed in 1950, along with new approach ramps that eliminated a narrow tunnel. Prior to 1957, passenger service was carried along this line (the Conemaugh Line) alongside freight. Following the decline of the PRR, Conrail took over control of the bridge. Currently, it is operated as part of the Pittsburgh Division of Norfolk Southern.

Schenley is an unincorporated community that is located in Gilpin Township, Armstrong County, Pennsylvania, United States.

Allegheny River Lock and Dam No. 5 is a historic lock and fixed-crest dam complex located at Gilpin Township and South Buffalo Township in Armstrong County, Pennsylvania. It was built between 1920 and 1927 by the United States Army Corps of Engineers, and consists of the lock, dam, esplanade, and Operations Building. The lock measures 56 feet by 360 feet, and has a lift of 11.6 feet. The dam measures approximately 22 feet high and 632 feet long. It is located about 30.4 Miles up the Allegheny River from the Point in Downtown Pittsburgh. Also, it is a mere .2 Miles up the Allegheny from the mouth of the Kiskiminetas River.Upriver, Allegheny Pool No. 5 has an average water elevation of 757 feet above sea level and extends about 5.9 miles upriver to Allegheny River Lock and Dam No. 6. Downriver, Allegheny Pool No. 4 has an average water elevation of 745.4 feet above sea level and extends about 6.2 miles downriver to Allegheny River Lock and Dam No. 4. Thus Lock No. 5 lifts and lowers boats about 11.6 feet between the pools.The Operations Building, or powerhouse, is a utilitarian two-story building in a vernacular Moderne style. The lock and dam were built by the U.S. Army Corps of Engineers as a part of an extensive system of locks and dams to improve navigation along the Allegheny River.It was listed on the National Register of Historic Places in 2000.

Murphy Island (also known as Donley Island) is a privately owned alluvial island in the Allegheny River in Gilpin Township, Armstrong County in the U.S. state of Pennsylvania. The island is situated across from South Buffalo Township.The elevation of Murphy Island is 758 feet above sea level.

Freeport is a borough in Armstrong County, Pennsylvania, United States. It is situated along the Allegheny River in the southwestern corner of the county. The population was 1,736 at the 2020 census.

The Donald R. Lobaugh Bridge (commonly known as the Freeport Bridge) is a cantilever bridge that carries vehicular traffic across the Allegheny River between Buffalo and Allegheny townships in Pennsylvania.

Rachel Carson Run is a 1.4-mile (2.3 km) long tributary of the Allegheny River located in Allegheny County in the U.S. state of Pennsylvania.Rachel Carson Run flows through Harrison Hills Park and joins the Allegheny River within Harrison Township. The stream is named after ecologist Rachel Carson.

Buffalo Creek is a tributary of the Allegheny River in Armstrong and Butler counties, Pennsylvania in the United States.Buffalo Creek joins the Allegheny River at the borough of Freeport.

West Leechburg is a borough in Westmoreland County, Pennsylvania, United States, along the Kiskiminetas River. The population was 1,294 at the 2010 census.

The Rachel Carson Trail is a 45.7-mile (73.5 km) hiking trail in Allegheny County, Pennsylvania, United States. Its western terminus is in the suburban North Park district in the Pittsburgh metropolitan area, and its eastern terminus is in Harrison Hills Park along the Allegheny River, near the town of Freeport. The trail is maintained by the Rachel Carson Trails Conservancy.