Mortlock River

Mortlock
EtymologyHenry Mortlock Ommanney, a surveyor
Location
CountryAustralia
StateWestern Australia
RegionWheatbelt
Physical characteristics
Source 
  locationnear Belmunging
  coordinates31°51′48″S 117°9′2″E / 31.86333°S 117.15056°E / -31.86333; 117.15056
  elevation249 m (817 ft)
MouthAvon River
  location
west of Northam
  coordinates
31°38′41″S 116°40′20″E / 31.64472°S 116.67222°E / -31.64472; 116.67222
  elevation
146 m (479 ft)
Length81 km (50 mi)
Basin size16,800 km2 (6,500 sq mi)
Discharge 
  locationmouth
  average17,800,000 m3/s (630,000,000 cu ft/s)
Basin features
River systemAvon River

The Mortlock River is a perennial river in the Wheatbelt region of Western Australia.