List of routes in Zone 4 of the National Cycle Network
# List of routes in Zone 4 of the National Cycle Network

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 | 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 is that 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 | |
