The county seat of Suffolk County, NY lies at the mouth of a river that flows into which body of water?
Riverhead (town), New York Riverhead is a town within Suffolk County, New York, on the north shore of Long Island. As of the 2010 census, the population was 33,506. The town rests on the mouth of the Peconic River, from which it derives its name. Since 1727, Riverhead has been the county seat of Suffolk County. The smaller hamlet of Riverhead lies within it, and is the town's principal economic center. The town is 166 miles (267 km) southwest of Boston via the Orient Point-New London Ferry, and is 76 miles (123 km) northeast of New York City.
Little Salmon River (Lake Ontario) The Little Salmon River is a tributary of Lake Ontario located in Oswego County, New York. The river enters Lake Ontario approximately 4 mi southwest from the mouth of the Salmon River.