Boulder River (New Zealand)

The Boulder River is a small river in the north of the South Island of New Zealand.

Boulder River
Map
Route of the Boulder River
Boulder River (New Zealand) is located in New Zealand
Boulder River (New Zealand)
Mouth of the Boulder River
Boulder River (New Zealand) is located in South Island
Boulder River (New Zealand)
Boulder River (New Zealand) (South Island)
Location
CountryNew Zealand
Physical characteristics
Source 
 • locationBoulder Lake
 • coordinates40°53′21″S 172°34′30″E / 40.8893°S 172.575°E / -40.8893; 172.575
 • elevation985 metres (3,232 ft)
Mouth 
 • location
Aorere River
 • coordinates
40°48′09″S 172°32′56″E / 40.80244°S 172.54875°E / -40.80244; 172.54875
Basin features
ProgressionBoulder RiverAorere River → Ruataniwha Inlet → Golden Bay / MohuaTasman Sea
Tributaries 
 • leftAmphitheatre Creek
 • rightParson Creek

The headwaters are at the Kahurangi National Park's small Boulder Lake. The river flows north for 10 kilometres (6 mi) before draining into the Aorere River.