The North River is a river, approximately 12 miles (19.3 km) long, in eastern Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

, the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is primarily a tidal river

Tidal river

A tidal river is a river, or more typically a stretch of a river, whose flow and level is influenced by tides. An example of a tidal river is the portion of the Connecticut River flowing from Windsor Locks, Connecticut, to the Atlantic Ocean. The Brisbane River, which flows into the Pacific Ocean...

, formed by the confluence of the Indian Head River

Indian Head River

The Indian Head River is located on the Hanover, Pembroke border in Massachusetts, United States, and covers about . The river, long, is a tributary of the North River, which flows into Massachusetts Bay...

 and Herring Brook. The North River forms the boundary between the towns of Norwell

Norwell, Massachusetts

Norwell is a town in Plymouth County, Massachusetts, United States. The population is currently 10,506 at the 2010 Census.Norwell was first settled in 1634 as a part of the settlement of Satuit , which encompasses present day Scituate and Norwell. It was officially created, in 1849 and soon became...

 and Pembroke, Massachusetts

Pembroke, Massachusetts

Pembroke is a town in Plymouth County, Massachusetts, United States. The population was 16,927 at the 2000 census.The southwestern section of Pembroke is also known as Bryantville...

, and downstream, the boundary between Scituate

Scituate, Massachusetts

Scituate is a seacoast town in Plymouth County, Massachusetts, United States, on the South Shore, midway between Boston and Plymouth. The population was 18,133 at the 2010 census....

 and Marshfield

Marshfield, Massachusetts

Marshfield is a town in Plymouth County, Massachusetts, United States, on Massachusetts's South Shore. The population was 25,132 at the 2010 census.See also: Green Harbor, Marshfield , Rexhame, Marshfield Hills, and Ocean Bluff and Brant Rock....

. The river flows into Massachusetts Bay

Massachusetts Bay

The Massachusetts Bay, also called Mass Bay, is one of the largest bays of the Atlantic Ocean which forms the distinctive shape of the coastline of the U.S. state of Massachusetts. Its waters extend 65 miles into the Atlantic Ocean. Massachusetts Bay includes the Boston Harbor, Dorchester Bay,...

 at New Inlet, where it also converges with the mouth of the South River.