Walkill River Walkill River ( 41.20195, -74.56625 ) Walkill River - Bassetts Bridge ( 41.26008, -74.55100 ) Walkill River - Franklin ( 41.11063, -74.58840 ) Walkill River - Glenwood Rd ( 41.19413, -74.57499 ) Walkill River - Hamburg ( 41.15266, -74.58161 ) Walkill River - Unionville NY ( 41.28789, -74.53406 ) The Walkill is the only river that originates in New Jersey and flows out - north over the border with New York, eventually draining into the Hudson. So it gets out, but it comes back. More: Walkill River ...