sentences:  Though most communities are located southwest and west of the Ohio River, some of the West Hills area is located on the northern side of the river.I-79 and state routes 60 and 65 serve the West Hills, with I-376 (known locally as the Parkway West), connecting the region to the Pittsburgh International Airport.While there are no official boundaries of what communities are part of this Pittsburgh region, the following list of communities are considered to be part of the western hills area of Pittsburgh.