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Blackwater River (Contoocook River tributary) facts for kids

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Blackwater River
Blackwater River Tyler Rd Webster NH.jpg
The Blackwater at Tyler Road in Webster, NH
Blackwater River (Contoocook River tributary) is located in New Hampshire
Blackwater River (Contoocook River tributary)
Blackwater River (Contoocook River tributary) is located in the United States
Blackwater River (Contoocook River tributary)
Country United States
State New Hampshire
County Merrimack
Towns Andover, Salisbury, Webster, Hopkinton
Physical characteristics
Main source Cilleyville
Town of Andover
644 ft (196 m)
43°25′52″N 71°52′06″W / 43.43111°N 71.86833°W / 43.43111; -71.86833
River mouth Contoocook River
Hopkinton
345 ft (105 m)
43°14′47″N 71°40′47″W / 43.24639°N 71.67972°W / 43.24639; -71.67972
Length 37.5 mi (60.4 km)
Basin features
Tributaries

The Blackwater River is a river located in central New Hampshire, United States. It is about 37.5 miles (60.4 km) long. This river flows into the Contoocook River, which is part of the larger Merrimack River system. The Blackwater River is an important natural feature in the region.

Where the Blackwater River Starts

The Blackwater River begins in a place called Cilleyville. This is a small village in the western part of Andover. The river forms when two smaller streams meet.

How the River Branches Form

  • Cascade Brook: This stream starts in Sutton. It flows northeast to Wilmot Flat. Here, it joins with water from Pleasant Lake in New London. Then, it continues east to Cilleyville.
  • Frazier Brook: This stream comes from south of Danbury village. It flows south, passing through Eagle Pond in Wilmot. It also goes through Bog Pond before joining Cascade Brook.

The River's Journey

From Cilleyville, the Blackwater River flows east through the town of Andover. It passes by a village called Potter Place.

Flowing East and South

After Andover village, the river keeps winding its way east. It then turns south near an area known as the Blackwater Bays. The river flows over some fast-moving water, called rapids, through the village of West Salisbury.

The Blackwater Dam and Beyond

The river then reaches the Blackwater Dam in the town of Webster. Below this dam, the Blackwater River has a short section of very fast whitewater. After this exciting part, the river becomes calmer. It then flows for its final miles to meet the Contoocook River in Hopkinton.

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