The Little River is a 7.3 mile

Mile

A mile is a unit of length, most commonly 5,280 feet . The mile of 5,280 feet is sometimes called the statute mile or land mile to distinguish it from the nautical mile...

 long (11.7 km

KM

KM, Km, or km may stand for:*Kilometre *Kernel methods*Kettle Moraine High School*Khmer language *Kuomintang , a centre-right political party in the Republic of China on Taiwan...

) river in the towns of Kingston

Kingston, New Hampshire

Kingston is a town in Rockingham County, New Hampshire, United States. The population at the 2010 census was 6,025.- History :Kingston was the fifth town to be established in New Hampshire. Originally, it was a part of Hampton, New Hampshire...

 and Brentwood

Brentwood, New Hampshire

Brentwood is a town in Rockingham County, New Hampshire, United States. As of the 2010 census, the town had a total population of 4,486. Brentwood has been the county seat of Rockingham County since 1997...

 in Rockingham County

Rockingham County, New Hampshire

-Demographics:As of the census of 2000, there were 277,359 people, 104,529 households, and 74,320 families residing in the county. The population density was 399 people per square mile . There were 113,023 housing units at an average density of 163 per square mile...

, New Hampshire

New Hampshire

New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...

, in the United States

United States

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

. It is a tributary of the Exeter River

Exeter River

The Exeter River is a -long river located in Rockingham County in southeastern New Hampshire, the United States.It rises in the town of Chester, southeast of Manchester. It follows a winding course east and northeast to Exeter, where it becomes the Squamscott River, a tidal river leading north to...

, part of the Great Bay

Great Bay (New Hampshire)

Great Bay is a tidal estuary located in Strafford and Rockingham counties in eastern New Hampshire, United States. The bay occupies over , not including its several tidal river tributaries. Its outlet is at Hilton Point in Dover, New Hampshire, where waters from the bay flow into the Piscataqua...

/Piscataqua River

Piscataqua River

The Piscataqua River, in the northeastern United States, is a long tidal estuary formed by the confluence of the Salmon Falls and Cocheco rivers...

 watershed

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 in the New Hampshire Seacoast

Seacoast Region (New Hampshire)

The Seacoast Region is the southeast area of the U.S. state of New Hampshire. The region stretches 18 miles along the Atlantic Ocean from New Hampshire's border with Salisbury, Massachusetts to the Piscataqua River and New Hampshire's border with Kittery, Maine. The shoreline is generally very...

 region. The river should not be confused with the Little River

Little River (Exeter, New Hampshire)

The Little River is a 7.2 mile long river largely in the town of Exeter in Rockingham County, New Hampshire, in the United States. It is a tributary of the Exeter River, part of the Great Bay/Piscataqua River watershed in the New Hampshire Seacoast region...

 of Exeter, New Hampshire

Exeter, New Hampshire

Exeter is a town in Rockingham County, New Hampshire, United States. The town's population was 14,306 at the 2010 census. Exeter was the county seat until 1997, when county offices were moved to neighboring Brentwood...

, another tributary of the Exeter River less than three miles away.

The Little River rises in the northwestern part of Kingston, New Hampshire, and follows a winding course generally northeast through flat or slightly hilly terrain. The river turns north as it enters Brentwood and reaches the Exeter River east of Brentwood's town center.