Dauphin

Dauphin, county, central Pennsylvania, U.S., bounded to the north by Mahantango Creek, to the west by the Susquehanna River, and to the south by Conewago Creek. The topography rises from a piedmont region in the south to ridge-and-valley mountains in the north. Other waterways include DeHart Reservoir and the Juniata River, as well as Wiconisco, Clark, Powell, Stony, and Swatara creeks. The Appalachian National Scenic Trail runs along Peters Mountain through the centre of the...