The Barrytown Flats are a 17 km (11 mi) coastal plain north of Greymouth on the West Coast of New Zealand's South Island. A series of postglacial shorelines and dunes backed by a former sea cliff, they was originally covered with wetland and lowland forest, including numerous nīkau palms (the southern limit of this species on the West Coast). The sands were extensively sluiced and dredged for gold from the 1860s, centred on the small settlement of Barrytown. The drier areas of the flats have been converted into pasture, but significant areas of forest remain, including . The flats are bordered by Paparoa National Park and the only breeding site of the Westland petrel (Procellaria westlandica). There are significant deposits of ilmenite (titanium dioxide) in the Barrytown sands, and there h