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River Ogmore

Afon ogwr (Ogmore river)
River
The Ogmore River, Pen-y-cae - Bridgend - geograph.org.uk - 1600333.jpg
The Ogmore River at Pen-y-cae, north of Bridgend.
Name origin: ]
Tributaries
 - left Ewenny River
 - right River Llynfi, River Garw
Cities Blackmill, Brynmenyn, Aberkenfig, Bridgend, Ogmore-by-Sea
Source
 - location Craig Ogwr
Mouth
 - location Bristol Channel near Ogmore-by-Sea
 - coordinates 51°28′11″N 3°38′18″W / 51.46972°N 3.63833°W / 51.46972; -3.63833Coordinates: 51°28′11″N 3°38′18″W / 51.46972°N 3.63833°W / 51.46972; -3.63833

The River Ogmore (Afon Ogwr in Welsh) is a river in South Wales popular with anglers. It runs generally from north to south from the Ogmore Vale and Gilfach Goch, past Bridgend and Ogmore. The River Ogmore rises at Craig Ogwr (527m) in the Ogmore Valley as the Ogwr Fawr before linking with the Ogwr Fach at Blackmill. The River Llynfi, the River Garw and finally the River Ewenny in its estuary are all tributaries of the Ogmore which flows into the sea between Ogmore-by-Sea and the Merthyr Mawr sand-dunes.

The Ogmore has two major branches in its headwaters: the Ogwr Fawr which flows south through Nantymoel, Ogmore Vale and Lewistown; and joining it from the east the Ogwr Fach which flows through Gilfach Goch. After the confluence with the Nant Iechyd, they join to form the Afon Ogwr at Blackmill.

Most of the headwaters flow over carboniferous coal measures overlain by glacial drift and fluvial gravels. The valleys are reasonably broad for a small river, and many of the tributaries meandered through their valleys in the past. The considerable urbanisation, especially in the 19th century, confined most rivers to rather narrow artificial channels, bordered in places such as Bridgend with concrete flood protection walls.

The River Llynfi (Afon Llynfi in Welsh), runs for around 10 miles from its source north of Maesteg and flows generally southwards through the Llynfi Valley to the confluence with the River Ogmore at Aberkenfig.


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