The Manning River estuary is situated on the mid-north coast of New South Wales. It is a large 250-kilometre-long barrier river with a permanently open trained entrance at Harrington (pictured), and a second predominantly closed entrance where the south arm reaches the sea near Old Bar.
The Manning River drains the fifth biggest catchment on the New South Wales coast. It is one of Australia’s few large river systems that has not been dammed for water supply purposes. It dominates the Manning Valley, supporting commercial industry and providing enormous recreational and ecological value.