Herriottsville is an unincorporated community in South Fayette Township, Allegheny County, Pennsylvania, United States. The community is located in the southeast corner of the township near Chartiers Run. [1] Herriottsville had one of the first post offices in South Fayette Township and was a stagecoach stop on the Black Horse Trail. [2]
41°12′12″N 77°11′40″W / 41.20332°N 77.19452°W
Herriottsville is an unincorporated community in South Fayette Township, Allegheny County, Pennsylvania, United States. The community is located in the southeast corner of the township near Chartiers Run. [1] Herriottsville had one of the first post offices in South Fayette Township and was a stagecoach stop on the Black Horse Trail. [2]
41°12′12″N 77°11′40″W / 41.20332°N 77.19452°W