Cold River (Connecticut River tributary)

Cold River
The Cold River exiting Vilas Pool in Alstead, NH
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Location
Country	United States
State	New Hampshire
Counties	Sullivan, Cheshire
Towns	Lempster, Acworth, Langdon, Alstead, Walpole
Physical characteristics
Source	Crescent Lake
• location	Acworth
• coordinates	43°16′1″N 72°14′25″W / 43.26694°N 72.24028°W / 43.26694; -72.24028
• elevation	1,211 ft (369 m)
Mouth	Connecticut River
• location	Walpole
• coordinates	43°7′6″N 72°25′51″W / 43.11833°N 72.43083°W / 43.11833; -72.43083
• elevation	230 ft (70 m)
Length	22.6 mi (36.4 km)
Basin features
Tributaries
• left	Dodge Brook, Honey Brook, Great Brook, Warren Brook
• right	Bowers Brook, Great Brook

The Cold River is a 22.6-mile-long (36.4 km)^[1] river in western New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound.

The Cold River begins at the outlet of Crescent Lake in the northeastern corner of the town of Acworth. The river flows east into the town of Lempster, then turns south and reenters Acworth. When Dodge Brook joins the river, it turns west and makes its way to the Connecticut River, passing the villages of South Acworth, Alstead, and Drewsville. The river reaches the Connecticut just south of the communities of Bellows Falls, Vermont, and North Walpole, New Hampshire.

In October 2005, flooding on the Cold River and its tributaries caused severe damage in the towns of Alstead, Acworth, and Walpole.