River Gwash
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The River Gwash is a tributary of the River Welland, and which flows for 20 miles through three counties; Leicestershire, Rutland and Lincolnshire. It rises just outside the village of Knossington in Leicestershire, near the western edge of Rutland.
The name of the river appears to be derived from the Old English (ge)wæsc, meaning “a washing” or “a flood”.[1] The earliest recorded form that has come down to us is "le Whasse" (c1230); the use of an initial G- is first recorded in 1586.
Course
The source in Knossington is at SK798084, but the Gwash is formed of several small headwaters which come together near Braunston-in-Rutland[2] before passing the site of Brooke Priory[3] at SK847062 and running westward to pass under the railway northwest of Manton (SK876052).
The Gwash then helps to fill the Rutland Water, a reservoir formed by damming its valley at Empingham.[4] From the reservoir a controlled flow is released to maintain the flow around Tolethorpe Hall and Stamford and into the River Welland. The flow is enhanced by the Gwash's tributary, the North Brook, at SK956083 in Empingham, which significantly helps maintain riverlife.[2]
East of Stamford, its course is now fixed but it lies in a small flood plain which shows clear signs of the river's former meandering. The pasture fields include depressions which fill in wet seasons forming oxbow lakes, though they are not of the classical shape. Near Stamford it is the parish boundary between Stamford and Uffington.
West of Stamford, the Gwash crossed the Stamford Canal, requiring some elaborate hydraulic works. Although the canal has been dry for over a century, the Borderville weir has only just been removed, and some meanders re-watered.[5][6]
The river feeds the millpond at Newstead before entering the Welland at Newstead Bridge at TF048073.
Wildlife
The river supports a wild variety of fish species, including grayling and trout. Chub and dace inhabit the lower length below Newstead bridge in Stamford.[2]
There are attempts to re-introduce water voles in the area.[7]
There are concerns about non-native signal crayfish becoming dominant in the river, and reports of a deliberate introduction. The river has formed part of pilot control trials.[8]
References
- ↑ The Place-Names of Rutland by Barrie Cox (EPNS, 1994), p2
- ↑ 2.0 2.1 2.2 "The Guash fishing club". Guash fishing club. http://www.guashfishingclub.co.uk/. "The River Guash or Gwash (the u is an ancient spelling) is a small limestone trout stream that runs in the valley from Braunston-in-Rutland to where it joins the Welland just downstream of Stamford."
- ↑ A History of the County of Rutland: Volume 2 (1935) – pages 37-40}}
- ↑ "A history of Rutland Water". Anglian Water. June 2009. http://www.anglianwater.co.uk/_assets/media/history-of-rutland-water.pdf. Retrieved 26 May 2013.
- ↑ "River Gwash, Rutland". News. The wild trout trust. http://www.wildtrout.org/content/river-gwash-rutland. Retrieved 26 May 2013.
- ↑ "Update on the ‘Wash to the Guash’ sea trout project being carried out by the Welland rivers trust". Club news. Guash fishing club. http://www.guashfishingclub.co.uk/index.php/fishing-club-news/.
- ↑ "Returning Ratty to our rivers comes at a price - removal of the American mink". Leicster Mercury. Friday, January 07, 2011. http://www.thisisleicestershire.co.uk/Returning-Ratty-rivers-comes-price/story-12040201-detail/story.html. Retrieved 26 May 2013.
- ↑ Peay, Stephanie (2001). "Eradication of alien crayfish populations". Environment Agency. http://www.snh.gov.uk/docs/C209050.pdf. Retrieved 26 May 2013.
Books
- William Henry Wheeler; Leonard Charles Batty (1896). A History of the Fens of South Lincolnshire. British Library Historical Print Collections. ISBN 978-1-241-32839-9.
Outside links
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