Eel River (Massachusetts)
 The Eel River is a 3.9-mile (6.3 km) river mostly in the village of Chiltonville in Plymouth Massachusetts. Its headwaters are springs and small ponds above Russell Millpond. Its watershed encompasses approximately 15 square miles (39 km2). It flows along Plimoth Plantation and Plymouth Beach for about ½ mile before emptying into Plymouth Harbor between the beach and Manters Point.