The Waimakariri River is one of the largest rivers in Canterbury, on the eastern coast of New Zealand's South Island. It flows for 151 kilometres (94 mi) in a generally southeastward direction from the Southern Alps across the Canterbury Plains to the Pacific Ocean.
The Arghistan or Arghastan is a river in southern Afghanistan. It flows through Arghistan District and the provinces of Zabul and Kandahar. It is a tributary of the Dori River, a sub-tributary of the Helmand River. It flows for 280 kilometres (170 mi) and has a basin area of 20,219 square kilometres (7,807 sq mi).
The Evans River is a short river in New Zealand's South Island. It arises near Mount O'Shanessy in the Kaimata Range of the Southern Alps and flows north-west and then south-west, joining the Crooked River several kilometres before the latter's outflow into Lake Brunner.
The Kaniere River is a river of New Zealand. It is located in the West Coast Region of the South Island. The river is the outflow of Lake Kaniere, and flows west to reach the Hokitika River five kilometres from the coast of the Tasman Sea.
The Kokatahi River is a river of the West Coast Region of New Zealand's South Island. A major tributary of the Hokitika River, it flows northwest from its origins on the northern slopes of Mount Ambrose, reaching the Hokitika River 12 kilometres from the latter's mouth at Hokitika. The two rivers between them share one of the West Coast's larger floodplains.
The Little Hohonu River is a river of New Zealand's West Coast Region. It flows northwest from its origins in the Hohonu Range southwest of Lake Brunner, reaching the Greenstone River / Hokonui 20 kilometres southeast of Greymouth.
The Motukaika River is a river in the south Canterbury region of New Zealand's South Island. It flows generally east, reaching the Pareora River at the small settlement of Motukaika, 18 kilometres (11 mi) west of Timaru.
The Nancy River is a river of the West Coast Region of New Zealand's South Island. A tributary of the Ahaura River, it flows generally southwest from its source to the west of Mount Hochstsetter in the Southern Alps, turning west shortly before its outflow, 15 kilometres southeast of Lake Hochstetter.
The Nina River is a river of the north Canterbury region of New Zealand's South Island. It flows predominantly east from its source within Lake Sumner Forest Park, veering southeast shortly before it flows into the Lewis River 35 kilometres (22 mi) west of Hanmer Springs.
The Ōrangipuku River is a river of the West Coast Region of New Zealand's South Island. It flows north into the southern end of Lake Brunner.
The Rough River, alternatively known as the Otututu River is a river of the West Coast Region of New Zealand's South Island. A major tributary of the Grey River, it flows south from its sources near Mount Uriah in the Paparoa Range 20 kilometres southeast of Charleston, to reach the Grey River to the southwest of the settlement of Ikamatua. The river is currently shown on maps as Otututu (Rough) River, although this orthography is no longer common for New Zealand Rivers.
The Snowy River is a river of the West Coast Region of New Zealand's South Island. It flows generally west from its sources within Victoria Forest Park, and is one of the rivers whose courses mark the edges of the Ikamatua Plain. The Snowy River joins with the Blackwater River 100 metres prior to its junction with the Māwheraiti River two kilometres north of the township of Ikamatua.
The Toaroha River is a river of the West Coast Region of New Zealand's South Island. It flows generally north through a valley between the Toaroha and Diedrichs Ranges to reach the Kokatahi River 25 kilometres southeast of Hokitika.
The Waiheke River is a river of the West Coast Region of New Zealand's South Island. It flows west from its origins on Mount Barron in the Southern Alps to reach the Ahaura River, which it forms where it joins the Tūtaekurī River, 20 kilometres northwest of Lake Sumner.
The Waikiti River is a river of the West Coast Region of New Zealand's South Island. It flows generally north from it sources in the eastern Kaimata Range, roughly paralleling the course of its larger eastern neighbour, the Trent River. It reaches the Ahaura River 20 kilometres southeast of Lake Hochstetter.
The Waitahu River is a river of the West Coast Region of New Zealand's South Island. It flows generally northwest from its source in the Victoria Range to reach the Inangahua River five kilometres north of Reefton.
The Little Grey River, also known as the Māwheraiti is a river of the West Coast Region of New Zealand. It is a major tributary of the Grey River / Māwheranui which it joins at Ikamatua.
The Clarke River is a river in the Grey District, one of three Clarke rivers in the South island of New Zealand. It flows northwest for 12 kilometres before joining with the upper Grey River close to the boundary of Victoria Forest Park.
The Taipō River is a river of the northern West Coast Region of New Zealand's South Island. It flows east from its sources at Mount Zetland, fed by many streams draining the north side of the Allen Range to reach the Karamea River 25 kilometres southeast of Karamea.
The Blackwater River is located in the Buller District of New Zealand. It is the name given to the lower reaches of the Big River, from its junction with the Blackwater Creek to its outflow into the Māwheraiti River. It flows generally westwards for 10 kilometres (6.2 mi) before turning southwards immediately prior to its junction with the Māwheraiti 2.5 kilometres (1.6 mi) north of the township of Ikamatua. It joins with the similar-sized Snowy River 100 metres (330 ft) before its junction with the Māwheraiti.
