The Afon Elan ( en, River Elan) is a tributary of the
River Wye
The River Wye (; cy, Afon Gwy ) is the Longest rivers of the United Kingdom, fourth-longest river in the UK, stretching some from its source on Plynlimon in mid Wales to the Severn estuary. For much of its length the river forms part of Wal ...
which runs through the wide expanse of upland moors, traditionally known as
Elenydd
Elenydd () is an upland area of Mid Wales, extending across parts of northern and eastern Ceredigion and Powys between Aberystwyth and Rhayader. Elenydd is also a name given to the medieval commote of Cwmwd Deuddwr which covered approximately ...
, in central
Wales. Its valley is the
Elan Valley. The name probably arises from ''elain'' meaning 'hind' or 'fawn' in reference perhaps to the rushing, bounding nature of its course.
It has its source in wet moorland on the eastern flank of Pen y Deunant in
Ceredigion. It is joined by Nant Dderwen, Nant Cwta and Nant Hirin before entering the top of the
Elan Valley Reservoirs at
Craig Goch Reservoir which in turn discharges to Garreg-ddu Reservoir and then
Caban-coch Reservoir. It emerges from this chain of reservoirs in a north-easterly direction and passes through
Elan Village before turning south-east after 2 miles and making its confluence with the
River Wye
The River Wye (; cy, Afon Gwy ) is the Longest rivers of the United Kingdom, fourth-longest river in the UK, stretching some from its source on Plynlimon in mid Wales to the Severn estuary. For much of its length the river forms part of Wal ...
.
[Ordnance Survey 1:25,000 scale Explorer map sheets 200 ''Llandrindod Wells & Elan Valley'' and 214 ''Llanidloes & Newtown'']
References
Elenydd
Elan
Elan
Wye catchment
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