Montgomery

Montgomery, county, southeastern Pennsylvania, U.S., consisting of a gently hilly piedmont region located northwest of Philadelphia and bounded to the southwest by the Schuylkill River. Other waterways include Green Lane Reservoir and Perkiomen, Swamp, Wissahickon, Tacony, and Pennypack creeks. Recreational areas include Evansburg and Fort Washington state parks. Notable historic buildings include Graeme Park (1722) in Horsham, Hope Lodge (c. 1750) in Fort Washington, and Pottsgrove Manor (1754) in Pottstown. The county was created in...