The Heaphy River is a river of the northwestern 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...

. It flows through Kahurangi National Park

Kahurangi National Park

Kahurangi National Park is a national park in the northwest of the South Island of New Zealand. It was gazetted in 1996 and covers 4,520 km². It is the second largest of New Zealand's fourteen national parks...

, rising on the northern slopes of Amohia Peak and initially flowing northwest before turning southwest to reach the Tasman Sea

Tasman Sea

The Tasman Sea is the large body of water between Australia and New Zealand, approximately across. It extends 2,800 km from north to south. It is a south-western segment of the South Pacific Ocean. The sea was named after the Dutch explorer Abel Janszoon Tasman, the first recorded European...

 30 kilometres north of Karamea

Karamea

Karamea is a town on the West Coast of the South Island of New Zealand.It is the northernmost settlement of any real size on the West Coast, and is located 96 kilometres north-east by road from Westport. There is no other connecting road to the town - the road north ends at the Kohaihai River some...

. Stages of the Heaphy Track

Heaphy Track

The Heaphy Track is a popular tramping track in the north west of the South Island of New Zealand. It is located within the Kahurangi National Park and classified as one of New Zealand's nine Great Walks by the Department of Conservation. Named after Charles Heaphy, the track is 82 km long and...

follow the lower course of this river, with the track reaching the coast at the river's mouth.