The Clarke River in Westland District is the southernmost of three rivers thus-named in the

South Island The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...

of New Zealand. It is a major tributary of the

Haast River The Haast River / Awarua is a river on the West Coast of the South Island of New Zealand. The Māori name for the river is Awarua. It drains the western watershed of the Haast Pass. The Haast River is in length, and enters the Tasman Sea near ...

, flowing southwest from its source on the slopes of Mount Hooker before joining with the

Landsborough River The Landsborough River is located in New Zealand's South Island. A major tributary of the Haast River, it flows southwest, parallel with the Southern Alps (New Zealand), Southern Alps, for 50 kilometres from its source five kilometres north of Mou ...

three kilometres before the waters of both flow into the Haast at the point where the latter river turns west towards its outflow into the

Tasman Sea The Tasman Sea (Māori: ''Te Tai-o-Rēhua'', ) is a marginal sea of the South Pacific Ocean, situated between Australia and New Zealand. It measures about across and about from north to south. The sea was named after the Dutch explorer Abe ...

References

* New Zealand 1:50,000 Topographic Map Series, sheet BY13 - Lake Paringa * New Zealand 1:50,000 Topographic Map Series, sheet BY14 - Mount Ward Rivers of the West Coast, New Zealand Westland District Rivers of New Zealand {{WestCoastNZ-river-stub