The Glenroy River is a tributary of the Mātakitaki River in the north of the South Island of New Zealand. It is widely known as a short class 4 river (River difficulty classification system for rafting).

Glenroy River
Map
Route of the Glenroy River
Glenroy River is located in South Island
Glenroy River
Mouth of the Glenroy River
Glenroy River is located in New Zealand
Glenroy River
Glenroy River (New Zealand)
Location
CountryNew Zealand
DistrictTasman
Physical characteristics
SourceGlenroy River (main branch)
 • locationSpenser Mountains
 • coordinates42°18′01″S 172°26′00″E / 42.3002°S 172.4333°E / -42.3002; 172.4333
2nd sourceGlenroy River East Branch
 • coordinates42°05′12″S 172°24′21″E / 42.0867°S 172.4059°E / -42.0867; 172.4059
MouthMātakitaki River
 • coordinates
42°00′04″S 172°20′05″E / 42.001°S 172.3347°E / -42.001; 172.3347
Basin features
ProgressionGlenroy RiverMātakitaki RiverBuller RiverTasman Sea
River systemBuller River
Tributaries 
 • leftMount Cann Creek, Granity Creek
 • rightBranch Creek, Pedro Creek, Shale Creek, Cascade Creek, Davis Creek