| West Brook | |
| Pushpin Map: | New York Adirondack Park#USA |
| Pushpin Map Caption: | Location of mouth within New York |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Subdivision Type4: | County |
| Subdivision Name4: | Delaware |
| Discharge1 Location: | Walton |
| Discharge1 Min: | 3.2cuft/s |
| Discharge1 Max: | 804cuft/s |
| Source1 Location: | Delaware County, New York |
| Source1 Coordinates: | 42.2731°N -75.1513°W |
| Mouth: | West Branch Delaware River |
| Mouth Location: | Walton |
| Mouth Coordinates: | 42.167°N -75.1379°W |
| Mouth Elevation: | 1181feet |
| Basin Size: | 28.2sqmi[1] |
| Tributaries Right: | Kerrs Creek, Third Brook |
West Brook flows into the West Branch Delaware River by Walton, New York.
The United States Geological Survey (USGS) maintains one stream gauge along West Brook, located in Austin Lincoln Park, 1miles upstream from the mouth. The station in operation since 2017, had a maximum discharge of per second on August 14, 2018, and a minimum discharge of per second on July 21–22, 2018.[2]