The North Branch Rancocas Creek is a 31adj=midNaNadj=mid[1] tributary of Rancocas Creek in southwestern New Jersey in the United States.[2]
The creek starts in the Pine Barrens of Brendan T. Byrne State Forest and Fort Dix Military Reservation, near Browns Mills.[2]
From its confluence with Rancocas Creek, tidewater extends upstream to the upper end of Mount Holly.[2]
The North Branch Rancocas Creek drains an area of 167 square miles.[3] The creek is among the more developed portions of the Rancocas Creek watershed.