Rachel Carson Run

Harrison Hills Park is a 500-acre (2.0 km2) county park in Allegheny County, Pennsylvania, in the United States. It is a part of the county's 12,000-acre (49 km2) network of nine distinct parks. It is situated 24 miles (39 km) northeast of Pittsburgh in Harrison Township. The park features an overlook of the Allegheny River and offers walking, hiking, and bridle trails. The Harrison Hills Park Environmental Learning Center is open on weekends.

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.

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.

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.

Highlands Mall is a former shopping mall in Harrison Township, Pennsylvania that operates today as an open-air shopping center. It opened in 1977 and closed in 2006, reopening after its redevelopment in 2008.

Karns is an unincorporated community in Harrison Township, Allegheny County, Pennsylvania, United States; it is located in Western Pennsylvania within the Pittsburgh Metropolitan Statistical Area, approximately 24 miles (39 km) northeast of Pittsburgh. Karns is situated along the Allegheny River at Pool 4 across from Jacks Island just above Lock and Dam 4 between Natrona, Natrona Heights, and Sligo. The elevation of Karns is 817 feet above sea level.The postal ZIP code is 15065, while the telephone area codes are 724 and 878; although the code 878 is not used.

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 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.

Jacks Island is an alluvial island in the Allegheny River. Its southwestern half lies in the city of Lower Burrell, while its northeastern half lies in Allegheny Township, in Westmoreland County in the U.S. state of Pennsylvania. The island is situated across from Harrison Township in Allegheny County.The elevation of Jacks Island is 745 feet above sea level.

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.

Harrison Township is a township in Allegheny County in the U.S. state of Pennsylvania. The population was 10,169 at the 2020 census. Pennsylvania Route 28 passes through Harrison Township, connecting Kittanning to the northeast and Pittsburgh to the southwest. Allegheny Technologies has extensive steel mill facilities in Harrison Township, including its Allegheny Ludlum Brackenridge Works. Harrison Township is located at the far northeast corner of Allegheny County. Its northern border is the Butler County line and the Allegheny River forms the township's eastern boundary with Westmoreland County. Its northeast corner also touches Armstrong County.

Blackstone is an unincorporated community in Westmoreland County, Pennsylvania, United States.