Harmarville is a small community located in Allegheny County, Pennsylvania, in the United States. It is situated along the Allegheny River and is part of the Pittsburgh metropolitan area. The area is known for its picturesque landscapes, with rolling hills and lush greenery. Harmarville is a quiet and peaceful neighborhood, with a close-knit community and a strong sense of local pride. The area is primarily residential, with a mix of single-family homes, townhouses, and apartment buildings. The streets are lined with mature trees, and there are several parks and green spaces for residents to enjoy.