Map of Cedar Brook
|River mouth||79 ft (24 m)
|Progression||Cranbury Brook, Millstone River, Raritan River, Atlantic Ocean|
|River system||Raritan River system|
Cedar Brook starts at  near Exit 8A on the New Jersey Turnpike. It flows southwest, crossing Applegarth Road and Prospect Plains Road before crossing the Turnpike. It then crosses Cranbury-South River Road and Route 130 and flows through a swamp area. It then crosses Plainsboro Cranbury Road before draining into Cranbury Brook at .,
This stream is large and accessible by many of the roads it crosses.
- "GNIS Detail - Cedar Brook". USGS. Retrieved 20 July 2010.