This is a list of National Cycle Routes in Zone 4 of the numbering scheme, namely: London (Greenwich) to Fishguard, in Wales, via Reading, Bath, Bristol, Newport, Caerphilly, Pontypridd, Swansea and Llanelli.
Single- and double-digits Route name/number From To Via Notes Greenwich (Cutty Sark) Fishguard Bath, Bristol, Newport, Swansea, Carmarthen, Tenby, Haverfordwest, St. Davids Incorporates the Celtic Trail from Chepstow to Fishguard. It is 432 miles long and the terrain is variable. Bristol Rugby Gloucester, Stratford-upon-Avon It is 105 miles long and the route consists of on-road paths, bridleways and traffic free paths, the terrain is mainly flat. The path passes through Leigh Woods via Avon Gorge, Berkeley Castle and Gloucester Cathedral. NCR 42 Glasbury Gloucester Abergavenny, Chepstow, Hay-on-Wye Section between Gloucester and Chepstow under construction. The 64-mile route consists of quiet roads but has large climbs. The route is close to Brecon Beacons National Park. NCR 43 Swansea Builth Wells Clydach, Ystalyfera, Caehopkin, Llanwrtyd Wells This route is under construction. NCR 44 Shrewsbury, Shropshire Cinderford, Gloucestershire Ludlow, Hereford This route is 52 miles long and is based on country lanes and roads. It connects with the Six Castles Cycleway. NCR 45 Chester Salisbury Whitchurch, Ironbridge, Droitwich Spa, Worcester, Gloucester, Cirencester, Swindon The 270-mile route leads via Shrewsbury, Bridgnorth and Stroud. NCR 46 Bromsgrove Neath Worcester, Hereford, Merthyr Tydfil The route is 80 miles long but has large gaps. Newport Fishguard Carmarthen, Llanelli, Swansea The 128-mile route is mainly of minor quiet roads and is close to the Pembrokeshire Coast National Park. It forms part of the Celtic Trail West which leads to Chepstow. NCR 48 Lincoln Exeter Dartmoor, Leicester, Cirencester The 69-mile route is opened between Cirencester, Northleach, Moreton-in-Marsh and Southam where joins onto Route 41 which leads to Royal Leamington Spa. The route travels through Watermead Country Park. Newport Abergavenny Pontymoile, Mamhilad, Cwmbran, Pontypool The 20-mile route goes along a canal and is near Blaenavon.
Triple-digits
Route name/number From To Via Notes NCR 403 NCR 4 (Semington) NCR 4 (Great Bedwyn) Chippenham, Marlborough The 41-mile route is mainly on road with short traffic-free sections. It passes near Savernake Forest and North Wessex Downs. NCR 410 Avon Cycleway Circular route Thornbury, Yate, Clevedon, Avonmouth, Coalpit Heath. The 85-mile route was opened in 1989 by the Avon County Council and became part of the National Cycle Network in 2013. NCR 416 NCR 410 at Pucklechurch Yate Westerleigh Proposed route NCR 423 Cwmbran Ross-on-Wye Usk, Monmouth, Llanbadoc, Raglan, Dingestow, Coed-y-Paen. The 28-mile route has very steep sections. NCR 425 Burgess Park, Camberwell Rotherhithe Durand's Wharf, South Bermondsey, Lewisham, Peckham. Connects with London Cycle Network. The 8.1 km route is very close to pedestrian bridges. NCR 426 Skenfrith NCR 46 at Kentchurch Droitwich, Neath, Garway. The route is very scenic: it goes along Monnow Valley and goes through woodland such as Little Corras Wood and Castlefield Wood. NCR 436 Aberdulais Pontneddfechan Seven Sisters Proposed route NCR 437 Ystalyfera Kidwelly Ammanford, Cross Hands Proposed route NCR 438 Pontardawe Brynamman Proposed route NCR 439 Ammanford Penclawdd Pontarddulais, Gowerton Proposed route NCR 442 Worcester Oxford Evesham, Pershore, Hinton on the Green, Honeybourne, Hanborough The route runs parallel to the Cotswold Line railway. NCR 446 Carmarthen Llandysul Proposed route NCR 447 Newcastle Emlyn Abergwili Proposed route NCR 448 Cardigan, Wales Crymych Proposed route NCR 449 Fishguard Haverfordwest Proposed route NCR 451 Nantwich Sandbach Crewe The 10-mile route is 50% traffic-free path and 50% on-road. The route is very close to local sports centres NCR 455 Oswestry Ellesmere Gobowen, Hindford NCR 461 Farnham Common Windsor Slough, Eton Dorney, Chalvey The 4-mile route goes past Jubilee River, Windsor Castle and River Thames. NCR 465 Llanhilleth Brynmawr Aberbeeg, Abertillery, Blaina, Nantyglo The 10-mile route is made of tarmac and has an easy gradient. It passes through the Six Bells Colliery and River Ebbw. NCR 466 Pontypool Ebbw Vale Cwm, Crumlin, Swffryd, Hafodyrynys The 9-mile route is currently under construction. NCR 467 Newbridge NCR 46 (Sirhowy Valley) Blackwood, Tredegar, Argoed The 8-mile route is mostly incomplete. NCR 468 Aberbargoed New Tredegar Parc Coetir Bargoed, Rhymney Valley, Pontlottyn The route is 8 miles long and is mostly wooded. NCR 469 Bargoed Fochriw The 8-mile route has an easy gradient for cyclists. NCR 475 Caerphilly Senghenydd Abertridwr NCR 476 Trelewis Parc Taff Bargoed The short 2-mile route is a great spot for birdwatching. NCR 477 Trevithick Trail NCR 8 at Edwardsville Merthyr Tydfil Merthyr Vale, Pentrebach NCR 478 Cynon Trail Abercynon Llwydcoed Mountain Ash, Aberdare Missing link at Cwmbach NCR 482 Marlborough NCR 45 at Chiseldon Ogbourne St George NCR 492 Cwmbran Brynmawr Pontypool, Blaenavon
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