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The River Aln near Alnmouth
|Cities||Alnham, Whittingham, Alnwick, Lesbury, Alnmouth|
|River Aln route map|
The name Aln comes from the Celtic period. The meaning is uncertain, but it may be a river-name of the Alaunā type. Names of this type are derived from the Brittonic element *al-, "shining, bright" (Welsh alaw, "waterlilly"),. Another suggestion is that the name is derived from the Brittonic root *Alaun- (‘holy one’ or ‘mighty one’).
The Aln is first mentioned in the Geography of Ptolemy, a 2nd Century AD Roman cartographer. He refers to it as the River Alaunos or Alaunus (Geographica 188.8.131.52), on which seems to be situated the town of Alauna (Geographica 184.108.40.206). This can speculatively be identified as the Roman fort at Learchild, where the Devil's Causeway crosses the river.
The Aln is a relatively small river but has been important through history as one of the boundaries along which English and Scottish troops marching to war had to cross; for that reason, it was at times heavily defended. For example, the river flows past Learchild Roman Fort and, more significantly, Alnwick Castle which was built for this purpose.
In two battles at Alnwick the river was a significant element: the first in 1093 between Malcolm III of Scotland and Robert de Mowbray; the second in 1174 between William I of Scotland and Ranulf de Glanville.
The river has a good run of sea trout and salmon, as well as a population of resident brown trout. Public fishing is controlled by the Aln Anglers' Association. The Aln also has a resident population of otters. Grey heron, barn owls, kestrels and buzzards can be observed hunting along the banks of the river.
Part of the estuary is designated a Site of Special Scientific Interest, and the river below Lesbury footbridge (the normal tidal limit, except on high springs and in surge events) was made a marine conservation zone in 2013. Large groups of lapwings, oystercatchers and curlews can often be seen. In smaller numbers are mallards, shelducks, grey herons, cormorants, greylag geese, Canada geese, mute swans and the occasional family of goosanders. Less often spotted are barn owls, kestrels, avocets and little egrets. Further down the tidal zone a visitor will often see Sandwich terns and common terns, as well as a variety of gulls and smaller waders including redshanks, greenshanks, turnstones, ringed plovers, pied wagtails, and other sandpipers.
- "Bridges On The Aln - Introduction". Bridgesonthetyne.co.uk. Retrieved 18 August 2018.
- A. L. F. Rivet and Colin Smith, The Place Names Of Roman Britain (London: Batsford, 1979), pp. 243, 245
- James, Alan. "A Guide to the Place-Name Evidence" (PDF). SPNS - The Brittonic Language in the Old North. Retrieved 25 November 2018.
- Field, John (1980). Place-names of Great Britain and Ireland. Newton Abbot, Devon: David & Charles. p. 23. ISBN 0389201545. OCLC 6964610.
- "Fishing - Your Northumberland Guide". Yournorthumberland.co.uk. Retrieved 18 August 2018.
- "Archived copy" (PDF). Archived from the original (PDF) on 2013-12-03. Retrieved 2013-11-26.CS1 maint: archived copy as title (link)
- "Archived copy". Archived from the original on 2013-12-03. Retrieved 2013-11-26.CS1 maint: archived copy as title (link)
- "Archived copy". Archived from the original on 2013-12-02. Retrieved 2013-11-26.CS1 maint: archived copy as title (link)
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