What county in Massachusetts has a state forest and an island that the Rowley River runs by?
Holy Island, Massachusetts: Holy Island is a marshy island located off the northeast coast of Massachusetts, north of Cape Ann. Ipswich, Massachusetts: Ipswich is a coastal town in Essex County, Massachusetts, United States. Ipswich, Massachusetts:  Home to Willowdale State Forest and Sandy Point State Reservation, Ipswich includes the southern part of Plum Island.
i don't know