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producing area, the resultant black river had poor water quality through most of the 19th and 20th centuries. The river is culverted in many of its upper sections, including a tunnel under the former factory complexes in
284:, and a lot of work has been undertaken to remove former industrial restrictions on the river to allow the fish to gain access to its upper reaches. The river is in the care of
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to the east of
Cardiff. The villages of Groesfaen, Deri, Pentwyn and Fochriw are located in the Darran Valley and not the Rhymney Valley, which joins the Rhymney Valley at
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Covering a distance of 30 miles (48 km), the catchment is divided into two distinct parts:
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322:"The History of Cardiff's Suburbs - The history of the suburb of Rumney"
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The upper reaches: steep-sided, wet, mountainous upper valley
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at the southern end of the
Rhymney Valley. Then past
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The river in its lower reaches, as it passes through
393:. South East Wales Rivers Trust. Archived from
132:until in 1887, the parishes east of the river,
244:The lower reaches: flatter wider valley below
8:
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120:. The river formed the boundary between the
147:The river flows south from its source near
472:Rivers of the Brecon Beacons National Park
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77:Mouth of the river, as it reaches the
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477:Rivers of Caerphilly County Borough
16:River in the Rhymney Valley, Wales
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467:Tributaries of the River Severn
349:. South East Wales Rivers Trust
51:The river as it passes through
40:The river as it passes through
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290:South East Wales Rivers Trust
256:Being located in part of the
66:on the eastern outskirts of
420:Rhymney River Club - Marina
144:, to Cardiff in Glamorgan.
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487:Rivers of Newport, Wales
286:Natural Resources Wales
371:. WelshCoalMines.co.uk
369:"Rhymney river tunnel"
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502:Severn drainage basin
258:South Wales coalfield
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302:Cardiff Rivers Group
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324:. Cardiffians.co.uk
262:South Wales Valleys
112:, flowing through
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482:Rivers of Cardiff
210:was created as a
122:historic counties
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497:Fishing in Wales
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443:51.483°N 3.117°W
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216:Brecon Beacons
212:glacial valley
208:Rhymney Valley
118:Severn Estuary
106:Rhymney Valley
79:Severn Estuary
27:Rhymney Valley
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399:. Retrieved
395:the original
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373:. Retrieved
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351:. Retrieved
326:. Retrieved
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280:and natural
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220:New Tredegar
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201:River Severn
153:New Tredegar
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282:brown trout
165:Llanbradach
110:South Wales
98:Afon Rhymni
29:, north of
461:Categories
328:21 January
308:References
274:Pontlottyn
250:meandering
189:Llanrumney
169:Caerphilly
138:St Mellons
64:Llanrumney
252:character
199:into the
177:Trethomas
126:Glamorgan
116:into the
296:See also
288:and the
278:grayling
222:towards
195:and its
185:Draethen
151:through
431:51°29′N
270:Rhymney
232:Bargoed
197:estuary
157:Bargoed
149:Rhymney
142:Newport
114:Cardiff
104:in the
100:) is a
83:Cardiff
68:Cardiff
31:Bargoed
434:3°07′W
246:Machen
193:Rumney
181:Machen
173:Bedwas
134:Rumney
42:Machen
401:7 May
375:7 May
353:7 May
102:river
94:Welsh
403:2012
377:2012
355:2012
330:2015
265:iron
260:and
206:The
191:and
167:to
136:and
128:and
88:The
25:The
124:of
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338:^
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92:(
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