Isaac River

Isaac
Location of Isaac River mouth in Queensland
EtymologyFrederick Nevil Isaac
Location
CountryAustralia
StateQueensland
RegionCentral Queensland
Physical characteristics
Source 
  locationbelow Moranbah North
  coordinates21°27′03″S 148°11′40″E / 21.45083°S 148.19444°E / -21.45083; 148.19444
  elevation245 m (804 ft)
Mouthconfluence with the MacKenzie River
  coordinates
22°52′19″S 149°20′01″E / 22.87194°S 149.33361°E / -22.87194; 149.33361
  elevation
85 m (279 ft)
Length457 km (284 mi)
Basin size22,364 km2 (8,635 sq mi)
Basin features
River systemFitzroy River
Tributaries 
  leftConnors River

The Isaac River is a river and anabranch in Central Queensland, Australia.