Acheron River (Marlborough)

Acheron River
Acheron River flowing through Molesworth Station
Route of the Acheron River
Mouth of the Acheron River
Acheron River (Marlborough) (South Island)
Location
CountryNew Zealand
regionMarlborough
Physical characteristics
SourceBlue Mountain
  coordinates41°54′42″S 173°19′27″E / 41.91167°S 173.32417°E / -41.91167; 173.32417
  elevation1,800 m (5,900 ft)
MouthWaiau Toa / Clarence River
  coordinates
42°23′35″S 172°58′7″E / 42.39306°S 172.96861°E / -42.39306; 172.96861
  elevation
690 m (2,260 ft)
Length76 kilometres (47 mi)
Basin features
ProgressionAcheron RiverWaiau Toa / Clarence River
River systemWaiau Toa / Clarence River system
Tributaries 
  leftGuide River
  rightSaxton River, Severn River, Yarra River

The Acheron River is a river in the South Island of New Zealand, in Marlborough and flows into the Waiau Toa / Clarence River. It flows southwest and then east for a total of 76 kilometres (47 mi), joining the Waiau Toa / Clarence at the southern end of the Inland Kaikōura mountains. The Alma and Severn Rivers flow into the Acheron before it joins the Waiau Toa / Clarence.