Allen River

Allen River
Map
Route of the Allen River
Allen River is located in New Zealand
Allen River
Mouth of the Allen River
Allen River is located in South Island
Allen River
Allen River (South Island)
Location
CountryNew Zealand
Physical characteristics
SourceAllen Range (Left Branch)
 • coordinates41°24′00″S 172°16′20″E / 41.3999°S 172.2723°E / -41.3999; 172.2723
2nd sourceAllen Range (Right Branch)
 • coordinates41°24′58″S 172°20′29″E / 41.4160°S 172.3413°E / -41.4160; 172.3413
Mouth 
 • location
Mōkihinui River North Branch
 • coordinates
41°28′39″S 172°17′21″E / 41.4775°S 172.289167°E / -41.4775; 172.289167
 • elevation
310 m (1,020 ft)
Basin features
ProgressionAllen River → Mōkihinui River North Branch → Mōkihinui RiverKaramea BightTasman Sea
Tributaries 
 • rightJohnson River

The Allen River is a river in the West Coast district of the South Island of New Zealand. It drains the south side of the Allen Range, elevations to 1,450 metres (4,760 ft), which forms part of the boundary between West Coast and Tasman districts. The river has left and right branches for half its length, and the right branch has a major tributary stream in a valley between the two branches. The united river flows south through a narrow gorge and is joined by the Johnson River 200 metres (660 ft) upstream of its confluence with the North branch of the Mōkihinui River.