Blackwater River (New Zealand)

Blackwater River is the name of three rivers in the northwestern South Island of New Zealand, one flowing into the Mangles River, one into the Buller River between Westport and Inangahua Junction (named due to the dark coloured waters the Māori discovered), and one into the Māwheraiti (Little Grey) River. All three rivers are within a few kilometres of each other, to the south and east of Westport.

Blackwater River, Tasman
Blackwater River
Location
CountryNew Zealand
Physical characteristics
Mouth 
 • location
Mangles River
Length20 km (12 mi)

The easternmost of the three Blackwater Rivers flows due north along a long straight valley, parallel to and equidistant from, the Matakitaki and Tutaki Rivers, reaching the Mangles River just to the east of the town of Murchison. It is some 20 kilometres (12 mi) in length.[1] (41°49′20″S 172°23′40″E)

Blackwater River, West Coast (Buller River tributary)
Blackwater River
Location
CountryNew Zealand
Physical characteristics
Source 
 • locationPaparoa Ranges
Mouth 
 • location
Buller River
Length19 km (12 mi)

The Blackwater River flows north-northwest for 19 kilometres (12 mi) from the northern slopes of Mount Copernicus in the Paparoa Ranges, reaching the Buller River 16 kilometres (9.9 mi) west of Inangahua in the lower Buller Gorge.[2] (41°50′55″S 171°47′30″E)

Blackwater River, West Coast (Māwheraiti River tributary)
Blackwater River
Location
CountryNew Zealand
Physical characteristics
Source 
 • locationBig River
Mouth 
 • location
Māwheraiti (Little Grey) River
Length11 km (6.8 mi)

The southernmost Blackwater River 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 (Little Grey) River. It flows generally westwards for 10 kilometres (6.2 mi) before turning southwards immediately prior to its junction with the Māwheraiti 2500 metres north of the township of Ikamatua. It joins with the similar-sized Snowy River 100 metres before its junction with the Māwheraiti.[3] (42°15′20″S 171°41′10″E)

References
  1. "Blackwater River, Tasman - NZ Topo Map". NZ Topo Map. Retrieved 30 March 2018.
  2. "Blackwater River, West Coast - NZ Topo Map". NZ Topo Map. Retrieved 30 March 2018.
  3. "Blackwater River, West Coast - NZ Topo Map". NZ Topo Map. Retrieved 30 March 2018.


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