Deer River
The Deer River at New Hampshire Route 41 near Silver Lake
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Location
Country	United States
State	New Hampshire
County	Carroll
Town	Madison
Physical characteristics
Source	Confluence of Ham Brook and Salter Brook
• location	Madison
• coordinates	43°54′30″N 71°11′39″W / 43.90833°N 71.19417°W / 43.90833; -71.19417
• elevation	610 ft (190 m)
Mouth	Silver Lake
• location	Madison
• coordinates	43°53′2″N 71°10′35″W / 43.88389°N 71.17639°W / 43.88389; -71.17639
• elevation	468 ft (143 m)
Length	2.6 mi (4.2 km)

The Deer River is a 2.6-mile-long (4.2 km)^[1] stream in eastern New Hampshire in the United States. It is a tributary of Silver Lake, part of the Ossipee Lake / Saco River watershed leading to the Atlantic Ocean.

The Deer River lies entirely within the town of Madison, New Hampshire. It begins at a wetland where Ham Brook and Salter Brook join, then flows south through woodlands to the village of Silver Lake, where it enters the north end of Silver Lake, the water body.

• List of rivers of New Hampshire