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204:. The massive stone-lined earthwork was 1,600 yards (1,500 m) long, 90 feet (27 m) wide at the bottom, tapering to 18 feet (5.5 m) at the top, which was 21 feet (6.4 m) above the level of the river. The work completed the reclamation of 1,500 acres (607 ha) of Traeth Mawr.
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at peak holiday travel times: it was not exceptional for queues to back up to one mile (1.6 km) in each direction. In 2002, the highway across the Cob was widened while a separate path was added for walkers and cyclists. The pedestrian route now forms part of
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In 2012, 260 m (850 ft) of the embankment were widened on the seaward side of the
Porthmadog end to allow a second platform to be constructed at the Ffestiniog & Welsh Highland Railway's Harbour Station.
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79:. It was created after large-scale land reclamation occurred in the late 18th and early 19th centuries. A large embankment, called the Cob, separates the area from the sea and carries a road and railway line.
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Soon after completion in 1812, the embankment was breached in a violent storm. Repairs were completed by the end of
September 1814. Although the original estimate to complete the Cob was
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land of between 50 acres (20 ha) and 100 acres (40 ha). Between 1770 and 1800 this resulted in the creation of about 1,500 acres (607 ha) of new land.
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In 2010 work started on the
Porthmadog, Minffordd and Tremadog bypass to reduce the amount of through traffic in the town. On completion the original course of the
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bought the Tan-yr-Allt estate near
Penmorfa Marsh. Soon afterwards he reclaimed an area of sand from the sea and the river by building a 2 mi (3.2 km)
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A carriageway was also constructed at a lower level on the inland side to take a public highway. Until
September 2003, when the Cob was bought by the
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to run downhill from
Blaenau Ffestiniog to the port across the Cob. After a number of trials and some modifications, the line was upgraded to a
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60,000 (£43.3million in 2014) to finish. At its seaward end, Traeth Mawr joins "Traeth Bach" ("little sands"), the estuary of the
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was founded within the new area. A wooden-tracked railway was used in the dyke's construction. The rails were later used by the
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in 1863. In 1927 the Cob was breached again, and took several months to repair.
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The 19th-century embankment across Traeth Mawr which is known as the Cob
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trying to cross the Traeth Mawr. In the late 18th century, various
335:. The British Narrow Gauge Railway. Blandford: The Oakwood Press.
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was a dangerous place; many people were said to have died in the
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The
Festiniog Railway 1800 - 1974; Vol. 1 - History and Route
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23,500 (£16.9million in 2014), it eventually cost
Madocks
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around the edge of the estuary began to systematically
251:. Empty wagons were hauled back up to the quarries by
188:called the Cob was constructed from the island of
156:to Clog-y-Berth (now Porthmadog). The township of
363:Google Earth ground-level view across Traeth Mawr
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358:Google Earth view of Porthmadog and Traeth Mawr
417:A487 Porthmadog, Minffordd and Tremadog Bypass
239:from the quarries around the inland town of
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313:Twilight. Snowdon seen across Traeth Mawr
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69:. The area was formerly the large tidal
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278:. The collection of fees often caused
393:1 August 1807 - 47 George III Cap. 71
302:across the Cob was renumbered as the
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231:began using the Cob when it built a
111:on the Cob, heading towards Blaenau
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34:The low-lying land that forms the
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415:Welsh Assembly Government :
96:The old tollhouse at Boston Lodge
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53:for 'large beach') is a
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16:Polder in Gwynedd, North Wales
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123:The original estuary of the
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172:In 1807 Madocks obtained a
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272:Welsh Assembly Government
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178:Madocks' Estate Act 1807
174:local act of Parliament
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229:Ffestiniog Railway
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109:David Lloyd George
105:Ffestiniog Railway
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38:of the Traeth Mawr
342:978-0-85361-167-7
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322:Bibliography
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280:traffic jams
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217:River Dwyryd
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198:Boston Lodge
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150:earthen bank
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126:Afon Glaslyn
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76:Afon Glaslyn
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19:For part of
202:Meirionnydd
107:locomotive
88:Early years
45:Traeth Mawr
430:Categories
369:References
245:Porthmadog
194:Porthmadog
190:Ynys Towyn
186:embankment
168:Completion
135:landowners
131:quicksands
59:Porthmadog
403:Boyd 1975
382:Boyd 1975
331:(1975) .
255:. Loaded
223:Transport
289:Holyhead
233:tramroad
158:Tremadog
436:Polders
351:2074549
293:Cardiff
261:gravity
200:in the
154:Prenteg
139:reclaim
83:History
73:of the
71:estuary
63:Gwynedd
353:. B1A.
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253:horses
55:polder
36:polder
23:, see
304:A4971
259:used
249:ships
237:slate
196:) to
152:from
67:Wales
57:near
51:Welsh
347:OCLC
337:ISBN
300:A487
276:toll
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65:in
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