Roper River

Roper
Roper
	The Goodwill on the Roper River
	Location of the Roper River mouth in the Northern Territory
Native name	Ropa Riba (Australian Kriol)
Location
Country	Australia
Territory	Northern Territory
Physical characteristics
Source confluence	Waterhouse River and Roper Creek
• location	east of Mataranka
• coordinates	14°55′58″S 133°08′59″E
• elevation	126 m (413 ft)
Mouth	Limmen Bight
• location	Gulf of Carpentaria
• coordinates	14°42′40″S 135°19′42″E
• elevation	0 m (0 ft)
Length	400 km (250 mi)
Basin size	81,794 km2 (31,581 sq mi)
Discharge
• location	Limmen Bight (near mouth)
• average	158.4 m3/s (5,590 cu ft/s) to (Period: 1971–2000)296.9 m3/s (10,480 cu ft/s)
Discharge
• location	Ngukurr (105 rkm; Basin size: 69,553.2 km2 (26,854.6 sq mi)
• average	(Period: 1971–2000)253.5 m3/s (8,950 cu ft/s)
Discharge
• location	Red Rock (161 rkm; Basin size: 47,400 km2 (18,300 sq mi)
• average	(Period: 1966–1999)88.8 m3/s (3,140 cu ft/s) to (Period: 1971–2000)106 m3/s (3,700 cu ft/s)
• minimum	0 m3/s (0 cu ft/s)
• maximum	1,395 m3/s (49,300 cu ft/s)
Discharge
• location	Mataranka (Confluence of Waterhouse River and Roper Creek, 400 rkm; Basin size: 5,950.6 km2 (2,297.5 sq mi)
• average	(Period: 1961–1999)20.5 m3/s (720 cu ft/s) to (Period: 1971–2000)22.2 m3/s (780 cu ft/s)
• minimum	0.7 m3/s (25 cu ft/s)
• maximum	182.5 m3/s (6,440 cu ft/s)
Basin features
Tributaries
• left	Waterhouse, Chambers, Maiwok Creek, Flying Fox Creek, Jalboi, Wilton, Phelp
• right	Roper Creek, Elsey Creek, Strandways, Hodgson, Mountain Creek
National park	Elsey National Park

The Roper River is a large perennial river located in the Katherine region of the Northern Territory of Australia.

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