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in the parish of
Llanreithan and flows east to Priskilly. The combined stream flows through Wolf's Castle, where it enters the spectacular 90 m deep Treffgarne gorge, cutting through the hard volcanic rocks of Treffgarne Mountain. It then flows south to
628:, but with exhaustion of inshore fishing grounds, the docks were too small for large ocean-going trawlers, and fishing is now virtually totally non-existent. Milford was originally built for a naval dockyard, but this project was transferred in 1814 to
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1228:
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Historically, the tidal estuary enabled sea traffic to reach
Haverfordwest. It was important also for the export of anthracite, which was mined on its west bank and shipped from Hook.
490:, and unites with the Eastern Cleddau estuary at Picton Point, to form the Daugleddau estuary. Length (Penysgwarne to Picton Point) about 40 km, of which about 9 km is tidal.
684:. They are also of special interest for sea lamprey Petromyzon marinus; for the range of river habitats including beds of submerged aquatic plants often dominated by water-crowfoot
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which is deep and wide, but sufficiently serpentine to be sheltered from high winds and rough seas, and is thus an excellent natural harbour. Because it can easily accommodate
1127:
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1001:
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577:. In the mid-1970s, it became briefly the UK's second biggest port in terms of tonnage. The Daugleddau and its several tributary tidal reaches are known collectively as
1051:
239:
The name of the combined estuary – the
Daugleddau – means “the two Cleddaus”. The name Cleddau, whilst seeming to be a plural ('-au' generally denotes plurality in
499:: the valley is deep, often spectacularly so, although the stream that flows in it is small. The valley was formed at the end of the last Ice Age, when the
620:. A small fishing industry operated from harbours such as Pill, Angle and Dale, but in 1790 the building of the new town of Milford commenced, and a large
372:
911:
503:, swollen with melt waters, was prevented from flowing into the Irish Sea by an ice dam, and flowed instead westward through the valleys of the
247:
meaning 'sword' and refers perhaps to the manner in which both rivers are incised into the landscape of
Pembrokeshire. A number of former
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fishery grew up based on its docks. In its heyday, it became the UK's seventh largest fishing port, operating several hundred
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Bartholomew, John (1887) 'Gazetteer of the
British Isles' from Vision of Britain.org] Retrieved 30 January 2010
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often identified by an unstable 'quaking' surface – transition mires and quaking bogs; and blanket bogs.
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1102:"Entry in the Register of European Sites for Wales, Gweunydd Blaencleddau, Special Area of Conservation"
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486:, where it becomes tidal, this being the lowest bridge crossing. The tidal estuary expands into a deep
1186:
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1068:"Entry in the Register of European Sites for Wales, Afonydd Cleddau, Special Area of Conservation"
958:
696:
522:
204:
885:
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333:, the lowest crossing point. The estuary joins that of the Western Cleddau at Picton Point
632:
on the opposite side of the estuary, where it operated until closure in 1926. The town of
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because they are of special interest primarily for important populations of otter
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as a transatlantic shipping terminal. Its functions were largely transferred to
1033:"Site of Special Scientific Interest, Carmarthenshire, Afon Cleddau Gorllewinol"
724:
546:
508:
500:
175:
1016:"Site of Special Scientific Interest, Carmarthenshire, Afon Cleddau Dwyreiniol"
419:. It flows southwest past Scleddau, and meets the western branch at Priskilly
321:. It flows southwest through a broad moorland valley to Gelli Hill, where the
756:
732:
601:
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meaning 'white') has two branches: the eastern branch rises at Llygad
Cleddau
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Additionally, land around a north-eastern tributary of the
Eastern Cleddau,
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636:, originally known as New Milford, was also purpose-built, this time by the
609:
416:
326:
549:
of 300,000 tonnes and more, it became from 1957 an important centre of the
841:, an ancient hundred whose name continues in the present day as Daugleddau
778:, is designated as a Special Area of Conservation for habitats including:
232:. They unite to form the Daugleddau estuary and the important harbour of
17:
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that has been largely untouched by man's activities. The rivers support
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Both branches of the
Cleddau are noteworthy for their diverse aquatic
562:
581:. Length (from Picton Point to the Blockhouses) about 27 km.
814:
752:
657:
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Historically, the estuary gave seaborne access to castles such as
570:
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266:
229:
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930:'A Brief History of Milford', Jon Gower Retrieved 19 January 2010
1234:
Sites of
Special Scientific Interest in Carmarthen & Dinefwr
826:
554:
862:, National Library of Wales, Aberystwyth, 1992, Vol 1, pp. 6–7
783:
748:
542:
487:
415:
in the parish of
Llanfair Nant y Gôf, 4 km south-east of
688:
spp., as well as a variety of associated riverside habitats.
364:. Length about 34 km of which about 7 km is tidal.
558:
251:
parishes in the area have been combined to form the modern
940:
Pembrokeshire Record Office, from 'Archives Network Wales'
325:
joins it. It then flows south through a deep valley past
1207:
Afon Cleddau Gorllewinol / Western Cleddau River SSSI map
1085:"Gweunydd Blaencleddau, Special Area of Conservation map"
918:
Field Studies Journal; Pg, 5-6; Retrieved 19 January 2010
809:
meadows on calcareous, peaty or clayey-silt-laden soils (
660:
populations and a wide variety of fish species including
1202:
Afon Cleddau Dwyreiniol / Eastern Cleddau River SSSI map
1049:
Countryside Council for Wales – Protecting Our Landscape
224:) consists of the Eastern and Western Cleddau rivers in
994:"MAGIC Map Application - Afon Cleddau Gorllewinol SSSI"
731:); rivers with floating vegetation often dominated by
972:"MAGIC Map Application - Afon Cleddau Dwyreiniol SSSI"
511:, then south along the course of the Western Cleddau.
1229:
Sites of Special Scientific Interest in Pembrokeshire
664:. Stretches of both rivers have been designated as
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145:
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62:
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1148:Afon Cleddau Gorllewinol / Western Cleddau River
1133:Afon Cleddau Dwyreiniol / Eastern Cleddau River
771:(Alno-Padion, Alnion incanae, Salicion albae)).
592:, allowing these to be used as depots in the
8:
541:guarding the harbour entrance, is a massive
537:– the Daugleddau - from Picton Point to the
376:The Western Cleddau at St Catherine's Bridge
282:meaning 'black') rises in the foothills of
450:. The western branch rises at Penysgwarne
66:
803:Euphydryas (Eurodryas, Hypodryas) aurinia
851:
493:The Western Cleddau is an example of a
873:Dictionary of the Place-names of Wales
38:
1130:- tens of maps - search for 'Cleddau'
908:Pembrokeshire Sea Trading Before 1900
7:
821:– Northern Atlantic wet heaths with
518:Daugleddau Estuary and Milford Haven
208:The Western Cleddau at Haverfordwest
871:Owen, H. W. & Morgan, R. 2007
608:, Landshipping and Crescelly, and
30:For the river in New Zealand, see
25:
1163:Afonydd Cleddau / Cleddau Rivers
886:"The Church in Wales: Daugleddau"
596:. It was important in the early
1128:NRW Designated Sites search page
47:
860:The Placenames of Pembrokeshire
805:; purple moor-grass meadows -
691:The Cleddau rivers are also a
1:
108:Physical characteristics
928:BBC South West Wales website
693:Special Area of Conservation
380:The Western Cleddau (Welsh:
278:The Eastern Cleddau (Welsh:
255:parish of Daugleddau in the
243:) comes from the Welsh word
747:vegetation); active raised
644:in the early 20th century.
526:Cleddau Bridge viewed from
188: • location
155: • location
126: • location
1250:
1121:SSSI & SAC links from
1107:. Natural Resources Wales.
1090:. Natural Resources Wales.
1073:. Natural Resources Wales.
1038:. Natural Resources Wales.
1021:. Natural Resources Wales.
800:marsh fritillary butterfly
735:(watercourses of plain to
594:Norman invasion of Ireland
29:
1157:SSSI Management Statement
949:Retrieved 30 January 2010
170:
141:
137:
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1142:SSI Management Statement
914:15 December 2010 at the
817:with cross-leaved heath
573:operating terminals and
1224:Rivers of Pembrokeshire
1123:Natural Resources Wales
875:Gomer Press, Ceredigion
271:The Eastern Cleddau at
53:The Western Cleddau in
1178:Gweunydd Blaencleddau
782:-rich springwater-fed
745:Callitricho-Batrachion
741:Ranunculion fluitantis
705:European river lamprey
530:
377:
275:
221:
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796:Coenagrion mercuriale
776:Gweunydd Blaencleddau
638:Great Western Railway
598:Industrial Revolution
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329:and becomes tidal at
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709:Lampetra fluviatilis
678:Lampetra fluviatilis
257:Diocese of St Davids
1172:Large-scale SAC map
945:5 June 2011 at the
906:George, Barbara J;
695:designated for the
465: /
434: /
399: /
348: /
301: /
1054:2011-06-09 at the
811:Molinion caeruleae
792:southern damselfly
769:Fraxinus excelsior
729:Petromyzon marinus
680:and brook lamprey
531:
469:51.9315°N 5.1373°W
438:51.9370°N 5.0257°W
403:51.9752°N 4.9434°W
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305:51.9638°N 4.6713°W
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819:Rhostiroedd gwlyb
697:European bullhead
317:in the parish of
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273:Blackpool Mill
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484:Haverfordwest
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214:River Cleddau
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193:Milford Haven
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32:Cleddau River
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889:. Retrieved
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547:supertankers
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222:Afon Cleddau
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68:Afon Cleddau
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825:; very wet
757:floodplains
725:Sea lamprey
721:Lutra lutra
672:, bullhead
670:Lutra lutra
600:, shipping
539:Blockhouses
501:River Teifi
472: /
441: /
406: /
382:Cleddau Wen
355: /
308: /
280:Cleddau Ddu
63:Native name
57:Town Centre
1218:Categories
790:fens; the
719:), Otter (
686:Ranunculus
602:anthracite
457:51°55′53″N
426:51°56′13″N
391:51°58′31″N
340:51°46′05″N
293:51°57′50″N
181:Celtic Sea
146:2nd source
18:Daugleddau
1182:SAC Entry
1167:SAC Entry
839:Dungleddy
815:heathland
642:Fishguard
610:limestone
460:5°08′14″W
429:5°01′33″W
417:Fishguard
394:4°56′36″W
343:4°53′46″W
327:Llawhaden
296:4°40′17″W
1052:Archived
943:Archived
912:Archived
833:See also
788:Alkaline
761:Alluvial
662:Lampreys
614:Lawrenny
586:Pembroke
567:Gulf Oil
249:Anglican
83:Location
1187:SAC map
813:); wet
807:molinia
780:calcium
737:montane
654:ecology
648:Ecology
634:Neyland
622:herring
606:Llangwm
553:, with
535:estuary
528:Neyland
245:cleddyf
228:, west
88:Country
891:16 May
751:; and
563:Texaco
117:Source
98:County
71:
1196:DEFRA
1105:(PDF)
1088:(PDF)
1071:(PDF)
1036:(PDF)
1019:(PDF)
1002:DEFRA
980:DEFRA
846:Notes
827:mires
753:Alder
666:SSSIs
658:otter
612:from
604:from
590:Carew
571:Amoco
509:Gwaun
505:Nyfer
241:Welsh
230:Wales
218:Welsh
176:Mouth
92:Wales
75:Welsh
893:2020
784:fens
767:and
749:bogs
743:and
616:and
588:and
569:and
555:Esso
507:and
212:The
798:),
723:),
711:),
703:),
543:ria
488:ria
1220::
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
