Styx River (Tasmania)

Styx
Logged trees in the Styx Valley, as seen from Rumbly Bridge over the Styx River.
Location of the mouth in Tasmania
Location
CountryAustralia
StateTasmania
Physical characteristics
SourceMount Mueller
  coordinates42°46′12″S 146°27′00″E / 42.77000°S 146.45000°E / -42.77000; 146.45000
  elevation1,110 m (3,640 ft)
MouthConfluence with River Derwent
  location
Macquarie Plains
  coordinates
42°43′23″S 146°54′17″E / 42.72306°S 146.90472°E / -42.72306; 146.90472
  elevation
24 m (79 ft)
Length59 km (37 mi)
Basin features
River systemRiver Derwent
Tributaries 
  rightCharon Rivulet, Cliff Creek, South Styx River, Big Creek (Tasmania)

The Styx River is a perennial river in the centre of southern Tasmania, Australia. The upper reaches of the Styx River are in the Tasmanian Wilderness, south west of Maydena. The river is a popular destination for river-rafting and canoeing.