Postal River

Postal River
Route of the Postal River
Mouth of the Postal River
Postal River (South Island)
Location
CountryNew Zealand
Physical characteristics
SourceBald Knob
  coordinates41°09′58″S 172°16′26″E / 41.1661°S 172.274°E / -41.1661; 172.274
Mouth 
  location
Ōpārara River
  coordinates
41°11′41″S 172°11′25″E / 41.1946°S 172.1902°E / -41.1946; 172.1902
Length8 kilometres (5.0 mi)
Basin features
ProgressionPostal RiverŌpārara RiverKaramea BightTasman Sea
Tributaries 
  leftBovis Creek, New Chum Creek
  rightCastor Creek

The Postal River is a river of the West Coast Region of New Zealand's South Island. It flows west from the Fenian Range, reaching the Ōpārara River five kilometres northeast of Karamea. The Postal River's entire length is within Kahurangi National Park.