In Scotland and northern England a Linn is a geographical water feature.
In Scotland it describes where a watercourse has cut through a shelf of hard rock creating a narrow (usually), steep-sided cut though which the watercourse runs.
Typically there is only one named Linn on any watercourse - although obviously - there may actually be more than one feature with the necessary attributes.
The photograph of the Linn of Dee illustrates the attributes of a typical 'Linn'.
In Gordon (1925) the author describing a walk down Glen Avon in the Cairngorms mentions two Linns on the River Avon - first:
A couple of miles below Faindouran Lodge the A'an is spanned by a bridge. Here the river is narrow, with foaming rapids and deep pools where salmon lie of a September day. Beside the Linn, on the damp granite ledges ...
Second:
At the Linn beside Inchrory the A'an thundered through its rocky gorge. Before midsummer salmon and grilse reach the deep pools of the Linn ...
A linn may also refer to a waterfall or a pool at the foot of a waterfall, with the derivation a confusion of Scots Gaelic linne (pool) and Old English hlynn (torrent).
Gazetteer for Scotland "Glossary:L". Retrieved 2 January 2008. England's Rock Art - Roughting Linn, Northumberland
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