| Cold Brook | |
| River | |
| Mouth | Black River |
|---|---|
| - location | Port Leyden, New York |
| - elevation | 869 ft (265 m) |
| - coordinates | 43°35′08″N 75°20′20″W / 43.58556°N 75.33889°WCoordinates: 43°35′08″N 75°20′20″W / 43.58556°N 75.33889°W |
| Basin | 4.8 sq mi (12 km2) |
Cold Brook is a stream in Lewis County, New York, United States, that flows into the Black River near Port Leyden, New York. It has a drainage area of 4.80 square miles, and is designated by the United States Geological Survey as "Hydrologic Unit 04150101".