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The River Gwaun ( Welsh: ''Afon Gwaun'', "''Gwaun''" meaning 'marsh, moor') is a 
The Gwaun rises in the 
It has a total length of and is navigable by canoe for the lower third of its length, beginning west of Pontfaen. Before Pontfaen, the river is joined by the Afon Cwmau which flows from the south.
The river (as ''Gwyne'') appears on a 1578 parish map of Pembrokeshire.
www.geograph.co.uk : photos of the River Gwaun and surrounding area
{{authority control Gwaun
river
A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...
in Pembrokeshire
Pembrokeshire ( ; ) is a Principal areas of Wales, county in the South West Wales, south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and otherwise by the sea. Haverfordwest is the largest town and ...
, West Wales
West Wales () is a region of Wales.
It has various definitions, either covering Pembrokeshire, Ceredigion and Carmarthenshire, which historically comprised the Welsh principality of ''Deheubarth'', and an alternative definition is to include Swa ...
, which flows west to the sea at Fishguard
Fishguard (, meaning "Mouth of the River Gwaun") is a coastal town in Pembrokeshire, Wales, with a population of 3,400 (rounded to the nearest 100) as of the 2021 United Kingdom census, 2021 census. Modern Fishguard consists of two parts, Lowe ...
(Welsh: ''Abergwaun'' - 'mouth of the Gwaun').
The Gwaun rises in the Pembrokeshire Coast National Park
Pembrokeshire Coast National Park () is a National Parks of England and Wales, national park along the Pembrokeshire coast in west Wales.
It was established as a National Park in 1952. It is one of the three National parks of Wales, the others ...
on the northern slopes of ''Foel Eryr'' in the Preseli Hills, to the east of Pontfaen hamlet. The river is a slowly meander
A meander is one of a series of regular sinuous curves in the Channel (geography), channel of a river or other watercourse. It is produced as a watercourse erosion, erodes the sediments of an outer, concave bank (cut bank, cut bank or river cl ...
ing stream passing through marsh
In ecology, a marsh is a wetland that is dominated by herbaceous plants rather than by woody plants.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p More in genera ...
y, wet woodland
A woodland () is, in the broad sense, land covered with woody plants (trees and shrubs), or in a narrow sense, synonymous with wood (or in the U.S., the '' plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunli ...
with alder
Alders are trees of the genus ''Alnus'' in the birch family Betulaceae. The genus includes about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few species ex ...
trees, water meadows and flood plain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river. Floodplains stretch from the banks of a river channel to the base of the enclosing valley, and experience flooding during periods of high Discharge (hydrolog ...
s. Its river valley
A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over a ...
is deep and secluded through the Gwaun Valley, and passes through Pontfaen and Llanychaer to the sea at Lower Fishguard Bay.
It has a total length of and is navigable by canoe for the lower third of its length, beginning west of Pontfaen. Before Pontfaen, the river is joined by the Afon Cwmau which flows from the south.
The river (as ''Gwyne'') appears on a 1578 parish map of Pembrokeshire.
Formation
The river occupies ameltwater
Meltwater (or melt water) is water released by the melting of snow or ice, including glaciers, glacial ice, tabular icebergs and ice shelf, ice shelves over oceans. Meltwater is often found during early spring (season), spring when snow packs a ...
channel formed subglacially during the last
A last is a mechanical form shaped like a human foot. It is used by shoemakers and cordwainers in the manufacture and repair of shoes. Lasts come in many styles and sizes, depending on the exact job they are designed for. Common variations ...
and earlier ice ages.
References
External links
www.geograph.co.uk : photos of the River Gwaun and surrounding area
{{authority control Gwaun