Mammy Johnsons River
|Mammy Johnsons River|
|Mammy Johnsons Creek|
|Mostly perennial river|
|State||New South Wales|
|Regions||NSW North Coast (IBRA), Mid North Coast, Upper Hunter|
|Local government area||Great Lakes|
|Part of||Great Lakes|
|- left||Oakey Creek, Black Bullock Creek|
|- right||Wards River, Terreel Creek|
|Source||Great Dividing Range|
|- location||below Winns Mountain, northwest of Bulahdelah|
|- elevation||408 m (1,339 ft)|
|Mouth||confluence with the Karuah River|
|- location||north northwest of Stroud|
|- elevation||37 m (121 ft)|
|Length||55 km (34 mi)|
Course and features
Mammy Johnsons River rises on the southwestern slopes of the Great Dividing Range, below Winns Mountain, north northwest of Bulahdelah, and flows generally north, west and south, joined by four tributaries including Wards River, before reaching its confluence with the Karuah River north northwest of Stroud. The river descends 371 metres (1,217 ft) over its 55 kilometres (34 mi) course.
- "Mammy Johnsons River". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales. Retrieved 19 March 2013.
- "Lakes". Great Lakes Tourism. Great Lakes Council. Retrieved 17 March 2013.
- "Map of Mammy Johnsons River, NSW". Bonzle Digital Atlas of Australia. Retrieved 19 March 2013.
- "Karuah River and Great Lakes catchments" (map). Office of Environment and Heritage. Government of New South Wales.
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