Ireland Brook is a tributary of Lawrence Brook in Middlesex County, New Jersey in the United States.Ireland Brook is a moderately long stream that drains an area in central East Brunswick.CourseIts source is at, near the intersection of Cranbury Road and Rues Lane in east central East Brunswick. It crosses Fern Road, then runs through the East Brunswick Community Park and the Ireland Brook County Park. Crossing Dunhams Corner Road and the New Jersey Turnpike, it continues running through the long Ireland Brook County Park. It crosses Fresh Ponds Road and Riva Avenue, and drains into the Farrington Lake, a dammed section of the Lawrence Brook, at.AccessibilityThis stream runs through a park, where it is easily accessible for about half of its distance. It also crosses many roads.Sister tributariesBeaverdam BrookGreat DitchOakeys BrookSawmill BrookSucker BrookTerhune RunUnnamed Brook in Rutgers Gardens, unofficially named Doc BrookUnnamed Brook in Rutgers' Helyar Woods
