River Etherow

River Etherow
River Etherow
	The Etherow (left), joined by the Black Cloughs from Bleaklow.
	The River Etherow is highlighted in red (click to enlarge); Coordinates: 53°27′54″N 1°58′51″W / 53.464956°N 1.980954°W
Location
Country	England
Physical characteristics
Source
• location	Featherbed Moss, South Yorkshire
• elevation	500 m (1,600 ft)
Mouth
• location	River Goyt
• elevation	80 m (260 ft)
Length	30 km (19 mi)
Basin size	77.7 km2 (30.0 sq mi)

The River Etherow in northern England is a tributary of the River Goyt. Although now passing through South Yorkshire, Derbyshire and Greater Manchester, it historically formed the ancient county boundary between Cheshire and Derbyshire. The upper valley is known as Longdendale. The river has a watershed of approximately 30 square miles (78 km²), and the area an annual rainfall of 52.5 inches (1,330 mm).