The Ōpaoa River, formerly called the Opawa River, is in the Marlborough region of the South Island of New Zealand. It begins in the Wairau valley where floodways are joined. It makes its way down the valley and flows through and looping around the eastern suburbs of Blenheim where it is crossed by the Opawa River Bridge. It joins the Taylor River in Blenheim and flows into Big Lagoon, the estuary it shares with the southern mouth of the Wairau River at Cloudy Bay.
The Tamaki River or Tamaki Estuary is mostly an estuarial arm and harbour of the Hauraki Gulf, within the city of Auckland in New Zealand. It extends south for 15 kilometres (9 mi) from its mouth between the suburb of Saint Heliers and the long thin peninsula of Bucklands Beach, which reaches its end at Musick Point. The inlet extends past the suburbs of Glendowie, Wai o Taiki Bay, Point England, Glen Innes, Tamaki, Panmure, and Otahuhu to the west, and Bucklands Beach, Halfmoon Bay, Farm Cove, Sunnyhills and Pakuranga to the east.
The Weiti River is an estuarine river to the north of Auckland in the North Island of New Zealand. It rises as the Weiti Stream in the low hills approximately 7 kilometres (4 mi) west of Silverdale and emerges into the Hauraki Gulf immediately south of the Whangaparaoa Peninsula. The upper stretches of the river are heavily grown with mangroves but with care, small craft can navigate it as far as Silverdale at high tide. Stillwater is the only other settlement along the river's banks. Wentworth College, based in nearby Gulf Harbour, uses the Weiti River for its rowing training.
The Wairoa River in Northland New Zealand, sometimes referred to as The Northern Wairoa River, runs for 150 kilometres through the northern part of the North Auckland Peninsula. In the upper reaches, the river is formed from two separate rivers, the Mangakahia River and the Wairua River. The two streams meet to the northeast of Dargaville, becoming the Wairoa. It is the longest river in the Northland Region.
Whangarei District is a territorial authority district in the Northland Region of New Zealand that is governed by the Whangarei District Council. The district is made up in area largely by rural land, and includes a fifth of the Northland Region. It extends southwards to the southern end of Bream Bay, northwards to Whangaruru and almost to the Bay of Islands, and westwards up the Mangakahia River valley past Pakotai and almost to Waipoua Forest. It includes the Hen and Chicken Islands and the Poor Knights Islands.
Ngunguru is a coastal settlement in Northland, New Zealand. Whangarei is 26 kilometres (16 mi) to the south west. The Ngunguru River flows between the settlement and a long low sandspit into Whangaumu Bay, which stretches southwards. North of Ngunguru are Tutukaka and Matapouri. Just off the Ngunguru Coast are the Poor Knight Islands, a protected marine reserve.
The Horahora River is a short river of Northland, New Zealand. It is formed from the confluence of the Waitangi River and Taheke River, which meet close to the Pacific Ocean coast 12 kilometres (7.5 mi) northeast of Whangarei. It flows into the Pacific at Ngunguru Bay, three kilometres south of Ngunguru.
The Kaikou River is a river of the Northland Region of New Zealand's North Island. It flows initially north, then east, and finally south, from its source approximately halfway between Dargaville and Kaikohe, before joining with the Moengawahine Stream to become the Hikurangi River.
The Kaukapakapa River is a river of New Zealand's North Island. It flows west, reaching the southernmost point of the Kaipara Harbour close to the town of Helensville. The small township of Kaukapakapa lies on the banks of the river, some 5 kilometres (3 mi) from its mouth.
The Kawakawa River is in the Northland Region of New Zealand's North Island. It flows predominantly eastward to Opua, where it joins the Waikare Inlet to flow into the Veronica Channel at the southern end of the Bay of Islands.
Matakana River is in the Auckland Region of New Zealand's North Island. It flows south from its origins on the slopes of Tamahunga, Conical Peak and Pukematakeo, north of the township of Matakana, passing through the township and flowing into its estuary, which opens into Kawau Bay, facing Kawau Island.
The Taiharuru River is a tidal river of the Northland Region of New Zealand's North Island. It flows northeast from its origins east of Whangarei, reaching the Pacific Ocean at the southern end of Ngunguru Bay. At its mouth, the river is flanked by the settlements of Pataua North and Pataua South, which are connected by a footbridge.
The Ruakaka River is a river of the Northland Region of New Zealand's North Island. It flows north before turning east and finally south, reaching the sea at the township of Ruakaka on Bream Bay.
The Taheke River is a river of the Northland Region of New Zealand's North Island. It flows north from its origins in hills to the east of Whangarei reaching the Waitangi River close to its mouth at Ngunguru Bay.
The Taiharuru River is a river of the Northland Region of New Zealand's North Island. It flows predominantly northeast from its sources east of Whangarei, emptying into the southern end of Ngunguru Bay. About half of the river's length is a silty drowned valley.
The Whangae River is a river of the Northland Region of New Zealand's North Island. It flows generally northeast to reach a southwestern arm of the Bay of Islands.
The Whenuakura River is a river of the Taranaki Region of New Zealand's North Island. It flows south from its origins northeast of Lake Rotorangi and reaches the coast five kilometres southeast of Patea.
The Waikare River is a river in the Northland Region of New Zealand's North Island. Rising in the Russell Forest, it flows into the southern end of the Waikare Inlet, a drowned valley which forms a southeastern arm of the Bay of Islands.
The Waitangi River is a river of the Northland Region of New Zealand's North Island. It flows east from its origins close to the northern shore of Lake Omapere, reaching the Bay of Islands close to the historic settlement of Waitangi.
The Waitangi River is one of two so named in the Northland Region of New Zealand's North Island. It flows south then east from its origins in hills north of Whangarei, reaching the east coast at Ngunguru Bay, five kilometres south of Ngunguru.
