|Name origin: After the wreaked schooner Joanna|
|Regions||South East Coastal Plain (IBRA), The Otways|
|Local government area||Colac Otway Shire|
|Part of||Corangamite catchment|
|Landmarks||Great Ocean Road, Great Ocean Walk|
|- elevation||429 m (1,407 ft)|
|Mouth||Great Australian Bight|
|- location||Johanna Beach|
|- elevation||0 m (0 ft)|
|Length||14 km (9 mi)|
|National park||Great Otway National Park|
Location and features
The Johanna River rises in the Otway Ranges in southwest Victoria, below and flows generally south through the Great Otway National Park before reaching its river mouth and emptying into the Great Australian Bight, west of Cape Otway at Johanna Beach, near . From its highest point, the river descends 429 metres (1,407 ft) over its 14-kilometre (8.7 mi) course.
- "Johanna River: 3865". Vicnames. Government of Victoria. 2 May 1966. Retrieved 1 June 2014.
- Blake, Les (1977), Place names of Victoria, Adelaide: Rigby, p. 294, ISBN 0-7270-0250-3
- "Loss of the Joanna". Launceston Examiner (National Library of Australia). 7 October 1843. p. 4. Retrieved 12 February 2011.
- Bird, Eric (12 October 2006). "Place Names on the Coast of Victoria" (PDF). Australian National Placename Survey (ANPS). Archived from the original (PDF) on 9 February 2011.
- "Map of Johanna River, VIC". Bonzle Digital Atlas of Australia. Retrieved 1 June 2014.
- "Great Otway National Park". Parks Victoria. Government of Victoria. 2014.
- "Corangamite Catchment Management Authority". Government of Victoria. 2014.
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