|Regions||Australian Alps (IBRA), Victorian Alps, East Gippsland|
|Local government area||Shire of East Gippsland|
|Part of||Snowy River catchment|
|Landmark||Mount Bulla Bulla|
|Source||Mount Little Bill|
|- location||Snowy River National Park|
|- elevation||868 m (2,848 ft)|
|Mouth||confluence with the Snowy River|
|- location||below Mount Bulla Bulla|
|- elevation||175 m (574 ft)|
|Length||60 km (37 mi)|
|National park||Snowy River NP|
Course and features
The Deddick River rises below Mount Little Bill in a remote alpine wilderness area within the Snowy River National Park, and flows generally north leaving the national park, then northwest through the locality of Tubbut, and then west southwest. The river is joined by the Bonang River and sixteen minor tributaries, before reaching its confluence with the Snowy River in the Snowy River National Park below Mount Bulla Bulla, a few hundred metres north of the McKillops Bridge in the Shire of East Gippsland. The river descends 693 metres (2,274 ft) over its 60-kilometre (37 mi) course.
- "Snowy River National Park: park notes" (PDF). Parks Victoria. November 2013.
- "Snowy River sub-catchment". East Gippsland Catchment Management Authority. Government of Victoria.
- "Snowy River - Catchment Map" (map). East Gippsland Catchment Management Authority. Government of Victoria.