The Elizabeth River runs through Essex and Union counties, New Jersey in the United States for 11.9 miles (19.2 km) before draining into the Arthur Kill.

[1] The river rises in an urban area at the border between Irvington and the Vailsburg neighborhood of Newark.

[2] It flows in a generally southern direction through the center of Irvington in a concrete channel with masonry walls built in the 1920s and 30s[3][4] passing along the east side of Civic Square.

[5] At the southern end of the cemetery, the river passes under the Garden State Parkway near Exit 143 and disappears as a surface waterway.

[11] The firm also designed Warinanco Park[12] The Elizabeth River Trail is a project to construct a park and riverside trail from South Broad Street in Downtown Elizabeth to the river's outlet into the Arthur Kill, a distance of 2+1⁄2 miles.