The Moose River is an 11.7-mile-long (18.8 km)^[1] stream in northern New Hampshire in the United States. It is a tributary of the Androscoggin River, which flows south and east into Maine, joining the Kennebec River near the Atlantic Ocean.

Moose River
The Moose River at U.S. Route 2 near Pinkham B Road in Randolph, New Hampshire
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Location
Country	United States
State	New Hampshire
County	Coos
Towns	Randolph, Gorham
Physical characteristics
Source	Mount Adams
• location	Randolph
• coordinates	44°20′46″N 71°19′12″W / 44.34611°N 71.32000°W / 44.34611; -71.32000
• elevation	2,520 ft (768 m)
Mouth	Androscoggin River
• location	Gorham
• coordinates	44°23′42″N 71°11′15″W / 44.39500°N 71.18750°W / 44.39500; -71.18750
• elevation	775 ft (236 m)
Length	11.7 mi (18.8 km)
Basin features
Tributaries
• left	Carlton Brook
• right	Cold Brook, Snyder Brook, Bumpus Brook, Townline Brook

The Moose River rises in the town of Randolph, New Hampshire, on the northern slopes of Mount Adams. The river quickly enters the wide valley between the Presidential Range to the south and the Crescent Mountain Range to the north and turns east to flow to the Androscoggin River in Gorham. An inactive railroad line owned by the state of New Hampshire, now known as the Presidential Rail Trail, parallels the Moose River for most of the river's length.