Salmon Brook (Merrimack River tributary)

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Salmon Brook
Salmon Brook looking downstream, Dunstable MA.jpg
Salmon Brook in Dunstable, Massachusetts
Country US
Physical characteristics
Main source Martins Pond
280 feet (85 m) at Groton, Massachusetts
River mouth Merrimack River
Length 17.5 miles (28.2 km)
  • Average rate:
    150 cu ft/s (4.2 m3/s)
Basin features
Basin size 36 square miles (93 km2)

Salmon Brook is one of the 6 major tributaries of the Merrimack River in northeastern Massachusetts in the United States. Its watershed is 31 square miles (80 km2) and is one of the 14 subwatersheds of the Merrimack River. It passes through Groton, Dunstable, and Tyngsborough, Massachusetts, and then through Nashua, New Hampshire.

Route description[edit]

Salmon Brook begins at Martins Pond in Groton. It then flows approximately 17.5 miles (28.2 km) north-northeast to the Merrimack River. It runs through Lost Lake/Knops Pond, Whitney Pond, Cow Pond, and Upper and Lower Massapoag Ponds. All of these water bodies are dammed. The brook runs roughly parallel to the Nashua River from Lost Lake to the brook's mouth in Nashua.

See also[edit]

External links[edit]

Coordinates: 42°44′55″N 71°26′30″W / 42.74861°N 71.44167°W / 42.74861; -71.44167