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Clarence River, New South Wales

Clarence River (Breimba or Berrinbah)
Big River
A mature wave dominated, barrier estuary
Graftonbridge1.jpg
The Grafton Bridge across the Clarence River.
Name origin: In honour of the Duke of Clarence
Country Australia
State New South Wales
Regions NSW North Coast (IBRA), Northern Rivers
Local government areas Kyogle, Clarence Valley
Tributaries
 - left Nymboida River, Mann River, Tooloom Creek, Cataract River, Orara River, Esk River
 - right Coldstream River, Timbarra River
City Grafton
Primary source Border Ranges
 - location near Tooloom National Park and Bonalbo
 - elevation 252 m (827 ft)
Secondary source Maryland River
Mouth Coral Sea, South Pacific Ocean
 - location near Iluka and Yamba
 - coordinates 29°43′S 153°37′E / 29.717°S 153.617°E / -29.717; 153.617Coordinates: 29°43′S 153°37′E / 29.717°S 153.617°E / -29.717; 153.617
Length 394 km (245 mi)
Depth 2.2 m (7 ft)
Volume 283,001 m3 (9,994,086 cu ft)
Basin 22,850 km2 (8,822 sq mi)
Area 132 km2 (51 sq mi)
Discharge
 - average 160 m3/s (5,650 cu ft/s)
 - max 20,000 m3/s (706,293 cu ft/s)
 - min 1 m3/s (35 cu ft/s)
River islands Woodford Island, Chatsworth Island, and Harwood Island
Website: NSW Environment and Heritage webpage

The Clarence River (Aboriginal: Breimba or Berrinbah), a mature wave dominated, barrier estuary, is situated in the Northern Rivers district of New South Wales, Australia.

The river rises on the eastern slopes of the Great Dividing Range, in the Border Ranges west of Bonalbo, near Rivertree at the junction of Koreelah Creek and Maryland River, on the watershed that marks the border between New South Wales and Queensland. The river flows generally south, south east and north east, joined by twenty-four tributaries including the Tooloom Creek and the Mann, Nymboida, Cataract, Orara, Coldstream, Timbarra, and Esk rivers. The river reaches its mouth at its confluence with the Coral Sea in the South Pacific Ocean, between Iluka and Yamba; descending 256 metres (840 ft) over the course of its 394 kilometres (245 mi) length.


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