The Heathcote Brook Branch is a tributary of Heathcote Brook in southern Middlesex County, New Jersey in the United States.

It flows between several housing developments and crosses Promenade Boulevard.

It then crosses Route 1 and drains into Heathcote Brook at 40°22′36″N 74°34′39″W / 40.37667°N 74.57750°W / 40.37667; -74.57750.

[1] The Heathcote Brook Branch is small and crosses few roads, so it is not easily accessible.

However it may be accessed from Heathcote Brook.