Potowomut RiverThe Potowomut River is a tidal extension of the Hunt River in the U.S. state of Rhode Island. It runs approximately.CourseThe river begins in name just south of Old Forge Road in Warwick, [Rhode Island|Warwick] where the river becomes the southern boundary of Potowomut Neck, an exclave of Warwick. It flows roughly northeast between Warwick and North [Kingstown, Rhode Island|North Kingstown] until its mouth at Narragansett Bay.CrossingsOld Forge Road in Warwick is the only crossing over the Potowomut River.TributariesThe Potowomut River has no named or unnamed tributaries.