| Cook Brook | |
|---|---|
 | |
| Location | |
| Country | United States |
| State | New York |
| Physical characteristics | |
| Source | |
| • location | Sullivan County, New York |
| Mouth | Beaver Kill |
• location | Cooks Falls, New York, Delaware County, New York, United States |
• coordinates | 41°56′47″N 74°58′42″W / 41.94639°N 74.97833°W / 41.94639; -74.97833 |
Basin size | 4.51 mi2 (11.7 km2) |
Cook Brook flows into Beaver Kill by Cooks Falls, New York.1