Middle Brook (Raritan River tributary)
| Middle Brook | |
|---|---|
Buttermilk Falls on the East Branch | |
| Location | |
| Country | United States |
| State | New Jersey |
| County | Somerset County |
| Physical characteristics | |
| Mouth | Raritan River |
• location | Middlebrook |
• coordinates | 40°33′20″N 74°32′36″W / 40.55556°N 74.54333°W |
| Basin features | |
| River system | Raritan River |
| GNIS feature ID | 878292 |
Middle Brook is a tributary of the Raritan River in Somerset County, New Jersey. The stream can be referred to as Rha-weigh-weiros, a Native American name meaning "running from a deep hole", on early maps of the area.