Kogin Blackwater a cikin Tasman yana gudana Saboda arewa tare da tsawon a mike kwarin layi daya don madaidaiciyar daidai da, Kogin Matakitaki da Tutaki, ya isa kogin Mangles Kawai kusa da gabashin garin Murchison . Yana da nisan 20 kilometres (12 mi) a tsayi.

Kogin Blackwater
General information
Height above mean sea level (en) Fassara 335 m
Labarin ƙasa
Map
Tsarin Daidaiton Labarin Kasa 41°52′55″S 172°24′11″E / 41.882°S 172.403°E / -41.882; 172.403
Kasa Sabuwar Zelandiya
Territory Tasman District (en) Fassara
River mouth (en) Fassara Mangles River (en) Fassara