It rises in northern Kent County, approximately 8 miles (13 km) northwest of Dover. It flows generally east, past Leipsic and entering Delaware Bay approximately 8 miles (13 km) northeast of Dover. The mouth of the river on Delaware Bay is surrounded by extensive wetlands that are protected as part of Bombay Hook National Wildlife Refuge.
^U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed April 1, 2011