Deer River (Black River tributary)

Deer River
Location
CountryUnited States
StateNew York
Physical characteristics
Source 
  coordinates43°41′35″N 75°40′14″W / 43.69306°N 75.67056°W / 43.69306; -75.67056
  elevation1,900 ft (580 m)
MouthBlack River
  location
Deer River, New York
  coordinates
43°56′13″N 75°34′05″W / 43.9369°N 75.5681°W / 43.9369; -75.5681
  elevation
719 ft (219 m)
Basin size95.4 sq mi (247 km2)

The Deer River is a 27-mile (43 km) long tributary of the Black River, in Lewis County, New York, in the United States. The river originates in the Tug Hill area and flows generally northeast, past Copenhagen, and under New York Route 26 to join the Black River approximately 3.5 miles (5.6 km) southeast of Carthage.