Narrower Terms (39)

• Allegheny River Valley (Pa. and N.Y.)
• Amberson Valley (Pa.)
• Bald Eagle Creek Valley (Blair County-Clinton County, Pa.)
• Beaver Valley (Lawrence County and Beaver County, Pa.)
• Brandywine Creek Valley (Pa. and Del.)
• Brush Valley (Northumberland County, Pa.)
• Clarion River Valley (Pa.)
• Conemaugh Valley (Pa.)
• Conewago Creek Valley (Adams County and York County, Pa.)
• Cowanesque River Valley (Pa. and N.Y.)
• Cumberland Valley (Md. and Pa.)
• East Liberty Valley (Pa.)
• French Creek Valley (N.Y. and Pa.)
• Genesee River Valley (Pa. and N.Y.)
• Juniata River Valley (Pa.)
• Lackawanna River Valley (Pa.)
• Lebanon Valley (Pa.)
• Lehigh River Valley (Pa.)
• Little Cove Valley (Pa. and Md.)
• Mahoning River Valley (Ohio and Pa.)
• Mill Creek Valley (Lancaster County, Pa.)
• Monongahela River Valley (W. Va. and Pa.)
• Moshannon Valley (Pa.)
• Nippenose Valley (Pa.)
• Octoraro Valley (Pa. and Md.)
• Oil Creek Valley (Crawford County and Venango County, Pa.)
• Oley Valley (Pa.)
• Panther Valley (Pa.)
• Pine Creek Valley (Potter County-Lycoming County, Pa.)
• Raystown Branch Valley (Pa.)
• Schuylkill River Valley (Pa.)
• Shenango River Valley (Ohio and Pa.)
• Soap Hollow (Pa.)
• Sugar Valley (Clinton County, Pa.)
• Wallenpaupack Creek Valley (Pa.)
• White Clay Creek Valley (Pa. and Del.)
• Wissahickon Creek Valley (Pa.)
• Wyoming Valley (Pa.)
• Youghiogheny River Valley