The Bass River is a tributary of the Mullica River, approximately 10 mi (16 km) long, in southeastern New Jersey in the United States. It rises in the Pinelands of southeastern Burlington County and flows generally south, through Bass River State Forest, and joins the Mullica from the north approximately 1 mi (1.6 km) upstream from its mouth on Great Bay. The lower 2 mi (3 km) of the river forms an arm of the estuary of the Mullica. The river is part of the watershed of the Mullica that drains an extensive unspoiled wetlands region of New Jersey, and is noted for its runs of smallmouth bass.
Bass River Township is a Township in Burlington County, New Jersey, United States. As of the United States 2000 Census, the township population was 1,510.