Avalon is a borough in Allegheny County, Pennsylvania, United States, along the Ohio River 6 miles (10 km) downstream from Pittsburgh. The population was 4,762 at the 2020 census. It is a residential suburb of the Pittsburgh metropolitan area.

Ben Avon Heights is a borough in Allegheny County, Pennsylvania, United States, located on a hill above the Ohio River 9 miles (14 km) from the city of Pittsburgh. The population was 400 at the 2020 census. Ben Avon Heights is part of the Pittsburgh metropolitan area.