river
A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...
located in central
New Hampshire
New Hampshire ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
in the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
. The river is the outlet of
Squam Lake
Squam Lake is a lake located in the Lakes Region (New Hampshire), Lakes Region of central New Hampshire, United States, south of the White Mountains (New Hampshire), White Mountains, straddling the borders of Grafton County, New Hampshire, Grafton ...
, the second-largest lake in New Hampshire, and it is a
tributary
A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...
of the
Pemigewasset River
The Pemigewasset River , known locally as "The Pemi", is a river in the state of New Hampshire, the United States. It is in length and (with its tributaries) drains approximately . The name "Pemigewasset" comes from the Abenaki word ''bemijijoas ...
, which itself is a tributary of the
Merrimack River
The Merrimack River (or Merrimac River, an occasional earlier spelling) is a river in the northeastern United States. It rises at the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire, flows southward into M ...
.
The Squam River first appears as a narrow channel in
Holderness, New Hampshire
Holderness is a town in Grafton County, New Hampshire, United States. The population was 2,004 at the 2020 census. An agricultural and resort area, Holderness is home to the Squam Lakes Natural Science Center and is located on Squam Lake. Hold ...
, between Squam Lake and Little Squam Lake downstream. The two lakes have the same elevation, due to a dam below the outlet to Little Squam, so the river in Holderness village is not free-flowing. Below Little Squam Lake the river proceeds south for over a mile before reaching the dam which controls the two lakes' water level. Below this point, the river quickly reaches the backwater from a mill dam in the town of Ashland.
In Ashland, the river drops in , sufficient to provide hydropower for numerous industries when the town originally grew in the 19th century. Below the center of town, the river wanders southeast under railroad tracks and
Interstate 93
Interstate 93 (I-93) is an Interstate Highway in the New England states of Massachusetts, New Hampshire, and Vermont in the United States. Spanning approximately along a north–south axis, it is one of three primary Interstate Highways ...
and past the Ashland sewage treatment plant before entering the Pemigewasset River in the northwest corner of the town of New Hampton.
See also
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List of rivers of New Hampshire
This is a list of rivers and significant streams in the U.S. state of New Hampshire.
All watercourses named "River" (freshwater or tidal) are listed here, as well as other streams which are either subject to thNew Hampshire Comprehensive Shorelan ...