Back Brook (New Jersey)

Back Brook
Country	United States
Basin features
Main source	40°26′34″N 74°42′36″W / 40.44278°N 74.71000°W / 40.44278; -74.71000
River mouth	56 ft (17 m) 40°26′22″N 74°38′46″W / 40.43944°N 74.64611°W / 40.43944; -74.64611Coordinates: 40°26′22″N 74°38′46″W / 40.43944°N 74.64611°W / 40.43944; -74.64611
Progression	Pike Run, Beden Brook, Millstone River, Raritan River, Atlantic Ocean
River system	Raritan River system
Tributaries	Right: Branch Back Brook

Back Brook is a tributary of Pike Run in Somerset County, New Jersey in the United States. It is located on the east side of Sourland Mountain.

Back Brook starts at 40°26′34″N 74°42′36″W / 40.44278°N 74.71000°W / 40.44278; -74.71000, on the edge of Sourland Mountain. It flows eastward, crossing Blawenburg-Belle Mead Road and Sunset Road before running through Schuss Woods and the McAlpin Farm Easement. It then crosses Route 206 and flows through Oxbridge before entering Pike Run at 40°26′22″N 74°38′46″W / 40.43944°N 74.64611°W / 40.43944; -74.64611.