Argo-Rowley Terrace Marine Park is the largest park in the north-west. A key feature in the park is the Bowers and Oats Canyons which link the Scott Plateau to the Argo Abyssal Plain. These canyons transport sediments to the deep ocean floor, as well as altering water flows to generate periodic upwelling, enhancing biological productivity in the water above and providing important habitat for the pygmy blue whale. In the south-east corner, the Marine Park surrounds reefs and shoals and is adjacent to Mermaid Reef Marine Park and the Western Australian Rowley Shoals Marine Park.

The park is locted 270 kilometres offshore of Broome. It covers 146,003 square kilometres and has National Park, Multiple Use and Special Purpose (Trawl) zones. – Parks Australia

Argo-Rowley Terrace ranges from 221 to 5,978 metres depth, with an average depth of 3,764 metres. The majority of the park (48%) falls within the abyssal zone (4,000-6,000m). [View on map]