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The River Alwin is a short, steep upland river that drains the Kidland Forest on the southern flanks of the
Cheviot Hills The Cheviot Hills (), or sometimes The Cheviots, are a range of uplands straddling the Anglo-Scottish border between Northumberland and the Scottish Borders. The English section is within the Northumberland National Park. The range includes T ...
, in the
Northumberland National Park Northumberland National Park is the northernmost national park in England. It covers an area of more than between the Scottish border in the north to just south of Hadrian's Wall, and it is one of least visited of the National Parks. The park ...
, England. It is a tributary of the
River Coquet The River Coquet runs through the county of Northumberland, England, discharging into the North Sea on the east coast at Amble. It rises in the Cheviot Hills on the border between England and Scotland, and follows a winding course across the l ...
and in length.


Course

Rising as the Outer Sike at the edge of the Kidland Forest between the peaks of Yarnspath Law and Bloodybush edge. It flows south through the forest gaining various burns and cloughs, to become the White Burn, until it reaches the confluence of the Yoke Burn, where it forms the River Alwin to the north of Kidlandlee. From this point the river flows south to collect the Allerhope Burn at the edge of the forest, continuing through a steep sided valley before reaching
Clennell Hall Clennell Hall is an historic manor house, now operated as a country hotel, situated at Clennell, Northumberland, Clennell, near Alwinton, Northumberland, England. It is a Grade II listed building. The Clennell family held the manor of Clennell fr ...
. It then passes to the south of
Alwinton Alwinton (previously named "Allenton" and sometimes still referred to as this) is a village and former parish in Northumberland, England. Alwinton is named after the nearby River Alwin, and means farm on the River Alwin. Alwinton lies at the he ...
, finally reaching the hamlet of Low Alwinton where it joins the Coquet.


Hydrology

Between 1969 and 1983 the flow of the Alwin, was measured in its lower reaches at a weir near Clennel. The fourteen year record shows that the
catchment A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...
of to the
gauging station A stream gauge, streamgage or stream gauging station is a location used by hydrologists or environmental scientists to monitor and test terrestrial bodies of water. Hydrometric measurements of water level surface elevation (" stage") and/or vol ...
yielded an average flow of . The catchment upstream of the station has an average annual rainfall of and a maximum altitude of at Cushat Law. Land use is mostly forest with more than half of the catchment consisting of woodland, the remainder is grassland and moorland. The River Alwin has been classed as having good ecological quality under the
Water Framework Directive The Water Framework Directive 2000/60/EC is an EU directive which commits European Union member states to achieve good qualitative and quantitative status of all water bodies (including marine waters up to one nautical mile from shore) by 2015. ...
. This is one of the upper bands in the five part framework scale, which ranges from high, good, and moderate, through to poor and finally bad.


See also

*
List of rivers of England This is a list of rivers of England, organised geographically and taken anti-clockwise around the English coast where the various rivers discharge into the surrounding seas, from the Solway Firth on the Scottish border to the Welsh Dee on the Wel ...


References


External links

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