|An intermediate intermittently closed saline coastal lagoon; or perennial river|
|State||New South Wales|
|Regions||South East Corner (IBRA), South Coast|
|Local government area||Bega Valley|
|- left||Daylight Creek|
|- right||Wombat Creek|
|- elevation||230 m (755 ft)|
|Mouth||Tasman Sea, South Pacific Ocean|
|- location||Disaster Bay|
|Length||19 km (12 mi)|
|Depth||0.4 m (1 ft)|
|Basin||60.5 km2 (23 sq mi)|
|Area||0.1 km2 (0 sq mi)|
|Nature reserve||Nadgee Nature Reserve|
|Website: NSW Environment & Heritage|
Course and features
Merrica River rises on the northern slopes of Mount Nadgee within the Nadgee Nature Reserve; located about 9 kilometres (5.6 mi) southwest of Tumbledown Mountain. The river flows generally northeast before reaching its mouth with the Tasman Sea of the South Pacific Ocean, emptying into Disaster Bay. The river descends 230 metres (750 ft) over its 19 kilometres (12 mi) course.
The catchment area of the river is 60.5 square kilometres (23.4 sq mi) with a volume of 48.5 megalitres (1.71×106 cu ft) over a surface area of 0.1 square kilometres (0.039 sq mi), at an average depth of 0.4 metres (1 ft 4 in).
- Roy, P. S; Williams, R. J; Jones, A. R; Yassini, I; et al. (2001). "Structure and Function of South-east Australian Estuaries". Estuarine, Coastal and Shelf Science 53: 351–384. doi:10.1006/ecss.2001.0796.
- "Merrica River". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales. Retrieved 30 May 2013.
- "Map of Merrica River, NSW". Bonzle Digital Atlas of Australia. Retrieved 30 May 2013.
- "Merrica River". Coastal and floodplain management: Coastal zone management: Estuaries of NSW. NSW Environment and Heritage. 27 April 2012. Retrieved 30 May 2013.
- "Towamba & Genoa catchment" (map). Office of Environment and Heritage. Government of New South Wales.
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