:Afon Cych
{{Use dmy dates|date=March 2020}}
{{Infobox river
| name = Afon Cych
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| pushpin_map = Wales
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| pushpin_map_caption= Mouth
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| native_name ={{native name|cy|Afon Cuch}}
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| source1_location =
| mouth_location = River Teifi
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| subdivision_type1 = Country
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| subdivision_type2 = Location
| subdivision_name2 = Pembrokeshire, Carmarthenshire
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| length = {{convert|13|km|mi|abbr=on}}
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| river_system = River Teifi
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Afon Cych (standard Welsh orthography: Afon Cuch) is a tributary of the River Teifi in south-west Wales. It is 13 km long, passes through a number of small settlements on the border between Pembrokeshire and Carmarthenshire, and is significant in Welsh legend.
Sources
Its "official" source (although not its highest headwater) is at Blaencych {{coord|51|57|53|N|4|29|28|W}}.
Course
The river flows north-westwards through a deep, wooded, secluded valley, and joins the River Teifi at Abercych {{coord|52|2|36|N|4|33|34|W}}. Its total length is {{convert|13|km|mi}}. It receives numerous small tributaries: the Sylgen, Barddi, Mamog, Dwrog and Lŵyd on the east side, and the Pedran, Cneifa and Dulas on the west side. It formed the ancient boundary between the commotes of Emlyn Is Cuch and Emlyn Uwch Cuch,{{cite web|title=Dyfed Archaeological Trust: Abercych|url=http://www.dyfedarchaeology.org.uk/HLC/lowerteifivalley/abercych.htm|accessdate=1 April 2015}} and it today forms part of the boundary between Pembrokeshire and Carmarthenshire.{{cite web|title=Dyfed Archaeological Trust: Afon Teifi - Llechryd to Cenarth|url=http://www.dyfedarchaeology.org.uk/HLC/lowerteifivalley/afonteifillechryd.htm|accessdate=1 April 2015}}
The river runs through the small settlements of Cwmorgan and Cwmcych, and the village of Abercych.
Bridges
File:Afon Cych, Abercych - geograph.org.uk - 503231.jpg
File:Aber-cych - geograph.org.uk - 682761.jpg
The Cych is crossed by a number of bridges including (from upstream) Pont Cwmorgan, Pont Wedwst, Pont Newydd, Pont Cych at Cwmcych (built in 1737 and Grade II listed), an unnamed bridge by Bridgend, Pont Glancych{{cite web|title=British listed buildings: Pont Cych|url=http://www.britishlistedbuildings.co.uk/wa-14243-pont-cych-partly-in-preseli-pembrokeshire|accessdate=3 February 2016}} and Grade II listed Pont Treseli which carries the B4332 road at Abercych and has perforated spandrels similar to Cenarth Bridge.{{cite web|title=British listed buildings: Pont Treseli|url=http://www.britishlistedbuildings.co.uk/wa-14251-pont-treseli-partly-in-manordeifi-communi|accessdate=4 February 2016}}
History and legend
The river's name is marked (in Latin, as Keach flu.) on a 1583 map of Pembrokeshire.{{cite web|title=Penbrok comitat|publisher=British Library|url=https://www.bl.uk/onlinegallery/onlineex/unvbrit/p/zoomify83390.html|accessdate=}}
The valley (Glyn Cuch) is well known in Welsh literature as the place where, in the Mabinogi, Pwyll Pendefig Dyfed has his fateful meeting with Arawn, Lord of the Underworld. Boundary streams were often thought of as portals to the underworld.{{cite book|first=John K.|last=Bollard|date=2006|title=The Mabinogi: Legend and Landscape of Wales|page=19|publisher=Gomer Press|isbn=1843233487}}
References
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