The Ohinetamatea River is a river in the Westland District

Westland District

Westland District is a territorial authority on the west coast of New Zealand's South Island. Its population is - Government :The Westland District is governed by an elected Council, headed by an elected Mayor. The Mayor is elected at large. The current Mayor is Maureen Pugh. Councillors are...

 of New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. It is also known as Saltwater Creek in the lower reaches.

The river rises on the north flank of the Copland Range and flows generally northward until it reaches the valley of the Cook River

Cook River

The Cook River / Weheka is in the South Island of New Zealand. The headwaters are from the La Perouse Glacier on the western flanks of the Southern Alps, and it flows west, then northeast, then northwest and into the Tasman Sea. Its tributaries include the Balfour River, fed by the Balfour...

 and turns westward. There is a 72 metres (236.2 ft) high waterfall at 700 metres (2,296.6 ft) elevation. The river passes to the south of an ancient glacial moraine

Moraine

A moraine is any glacially formed accumulation of unconsolidated glacial debris which can occur in currently glaciated and formerly glaciated regions, such as those areas acted upon by a past glacial maximum. This debris may have been plucked off a valley floor as a glacier advanced or it may have...

which separates its lower reaches from the Cook River valley.