Pennsylvania Route 590 (PA 590) is a 45.0-mile-long (72.4 km) state highway located in Lackawanna, Wayne, and Pike Counties in Pennsylvania. The western terminus is at PA 435 in Elmhurst Township. The eastern terminus is at PA 434 in the community of Greeley in Lackawaxen Township. PA 590 is mostly a two-lane road that runs through rural areas in Northeastern Pennsylvania. The route serves the communities of Hamlin, Hawley, and Lackawaxen and passes to the north of Lake Wallenpaupack. PA 590 has intersections with PA 690 and PA 348 in Hollisterville, PA 191/PA 196 in Hamlin, and U.S. Route 6 (US 6) in Hawley.