Quiz: Remember the definition of mal de mer?
county, central Pennsylvania, U.S. It consists of a mountainous region on the Allegheny Plateau, with the Allegheny Mountains along the eastern edge. The principal waterways are the Conemaugh and Little Conemaugh rivers, Glendale Lake, and Beaverdam Run, in addition to Clearfield, Stony, and Blacklick creeks. Parklands include Prince Gallitzin and Laurel Ridge state parks.