The flows southeastward through The Catlins

The Catlins

The Catlins comprises an area in the southeastern corner of the South Island of New Zealand. The area lies between Balclutha and Invercargill, straddling the boundary between the Otago and Southland regions...

, an area of the southern South Island

South Island

The South Island is the larger of the two major islands of New Zealand, the other being the more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman Sea, to the south and east by the Pacific Ocean...

 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...

. Its total length is 30 kilometres (18.6 mi), and it shares the estuary of the Catlins River

Catlins River

The ' flows southeastward through The Catlins, an area of the southern South Island of New Zealand. Its total length is , and it shares its estuary with the Owaka River, flowing into the Pacific Ocean at Pounawea, south of Balclutha....

, flowing into the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 at Pounawea

Pounawea

Pounawea is a small settlement in The Catlins, an area of the southern South Island of New Zealand. It is located four kilometres southwest of Owaka, at the mouth of the Catlins River. It is a popular holiday spot with a seasonal population, there are numerous cribs at the settlement....

, 28 kilometres (17.4 mi) south of Balclutha

Balclutha, New Zealand

Balclutha is a town in Otago, it lies towards the end of the Clutha River on the east coast of the South Island of New Zealand. It is about halfway between Dunedin and Invercargill on the Main South Line railway, State Highway 1 and the Southern Scenic Route...

. Its source is on the slopes of Mt Rosebery, 12 kilometres (7.5 mi) south of Clinton

Clinton, New Zealand

Clinton is a small town in South Otago, in New Zealand's South Island. It is located on State Highway 1 approximately half way between Balclutha and Gore , and the Main South Line railway passes through the town.Clinton was named for Henry Pelham-Clinton, 5th...

.

The small town of Owaka

Owaka

Owaka is a small town in Otago, in the southern South Island of New Zealand. It is the largest community in the rugged, forested Catlins area, close to the border with Southland, some south of Balclutha on the Southern Scenic Route. The town's population was 334 in the 2006 census, a decrease of...

is situated close to the south bank of the river.