Pennsylvania Route 390 (PA 390) is a 25.3-mile-long (40.7 km) state highway located in Monroe, and Pike Counties in Pennsylvania. The southern terminus is at PA 940 in Paradise Township. The northern terminus is at PA 507 in . The route is a two-lane undivided road that runs through forested areas in the Pocono Mountains. PA 390 begins at PA 940 west of Paradise Valley and heads northeast. The route runs concurrent with PA 191 between Cresco and Mountainhome before it splits and intersects PA 447 in Canadensis. PA 390 passes through Skytop before it crosses the county line and runs through Promised Land State Park. The route has an interchange with Interstate 84 (I-84) before passing through Tafton and ending at PA 507 near Lake Wallenpaupack.