Afon Mynach (; also known as the River Mynach) is a river in

Ceredigion Ceredigion (), historically Cardiganshire (, ), is a Principal areas of Wales, county in the West Wales, west of Wales. It borders Gwynedd across the River Dyfi, Dyfi estuary to the north, Powys to the east, Carmarthenshire and Pembrokeshire t ...

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

. Its source is at the meeting of two smaller rivers, the Nant Rhuddnant and the

Afon Myherin This is a list of rivers of Wales, organised geographically. It is taken anti-clockwise from the Dee Estuary to the M48 Bridge that separates the estuary of the River Wye from the River Severn. Tributaries are listed down the page in an upstrea ...

. Both of these streams have their sources in lakes high in the

Cambrian Mountains The Cambrian Mountains (, in a narrower sense: ''Elenydd'') are a series of mountain ranges in Wales. The term ''Cambrian Mountains'' used to apply to most of the upland of Wales, and comes from the country's Latin name . Since the 1950s, it ...

: * the Afon Myherin flows from two lakes known collectively as Llynnoedd Ieuan; * the much larger Nant Rhuddnant passes through Llyn Rhuddnant, above which it is formed by the confluence of several smaller streams. The Afon Mynach is notable for the famous

Mynach Falls Mynach Falls (Welsh language, Welsh: ''Rhaeadr Mynach'') is a waterfall near Aberystwyth in the county of Ceredigion, Wales. It occurs where the Afon Mynach, River Mynach drops in 5 steps down a steep and narrow ravine before it meets the River ...

in the village of

Devil's Bridge Devil's Bridge is a term applied to dozens of ancient bridges, found primarily in Europe. Most of these bridges are stone or masonry arch bridges and represent a significant technological achievement in ancient architecture. Due to their unusu ...

(Pontarfynach), where the river plunges 90 metres into the

gorge A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tend ...

of the

River Rheidol Afon Rheidol (; also known as the River Rheidol) is a river in Ceredigion, Wales, in length. The source is Plynlimon. Receiving an average annual rainfall of , Plynlimon is also the source of both the Wye and the Severn. Geography and geolog ...

. It is also famous for the three bridges built one on top of the other in the same village, the lowest of the three said to be built by the devil (hence the name Devil's Bridge), but most probably built by the monks of

Strata Florida Strata Florida Abbey (; ) is a former Cistercian abbey situated just outside Pontrhydfendigaid, near Tregaron in the county of Ceredigion, Wales. The abbey was founded in 1164. After the region around St Davids was firmly occupied by the Norman ...

References

Mynach {{Wales-river-stub