The following is a list of cycleways in Wales.

This list is incomplete; you can help by adding missing items. (February 2011)

• Celtic Trail cycle route (a multiple-route trail between Chepstow and St Davids, using parts of Routes 42, 43, 46, 47, 49, and 492, 4, the Millennium Coastal Path and a large part of Route 8 (Lon las Cymru
• Lôn Las Cymru (see National Cycle Route 8) Holyhead to Cardiff
• Millennium Coastal Path (forms a section of both the Celtic Trail cycle route, (part of Route 47 and Route 4)
• National Cycle Route 4 (London to Fishguard)
• National Cycle Route 5 (Reading – Holyhead, taking in the North Wales coast
• National Cycle Route 8 ('Lôn Las Cymru') (Cardiff to Holyhead)
• National Cycle Route 42 (Gloucester – Cinderford – Parkend – Chepstow – Abergavenny – Hay-on-Wye – Glasbury)
• National Cycle Route 43 (Swansea – Caehopkin – Llanwrtyd Wells – Builth Wells)
• National Cycle Route 46 (Bromsgrove – Droitwich – Worcester – Hereford – Abergavenny – Merthyr Tydfil – Neath)
• National Cycle Route 47 (Newport – Neath – Swansea – Llanelli – Carmarthen – Fishguard)
• National Cycle Route 49 (Abergavenny – Pontypool – Cwmbran – Newport)
• National Cycle Route 81 ('Lon Cambria' Aberystwyth – Shrewsbury – Telford – Wolverhampton – NCR 5 at Smethwick also known as Lon Cambria)
• National Cycle Route 82 ('Lôn Las Ogwen': Bangor – Capel Curig - Porthmadog – Dolgellau – Machynlleth (–) Ystrad Meurig – Fishguard)
• National Cycle Route 84 (Rhyl – St Asaph - Llangollen – Oswestry)
• National Cycle Route 85 (Chester – Wrexham - Trevor – Llangollen - Corwen – Bala – Dolgellau)
• National Cycle Route 88 (Caerleon – Newport – Cardiff – Bridgend)
• Route 423 (Cwmbran – Monmouth – Ross (former RR30 and Peregrine Path)
• Route 436 (Dulais Valley, South Wales)
• Route 437 (South Wales to Glanaman)
• Route 438 (South Wales to Glanaman)
• Route 439 (South Wales to Glanaman)
• Route 440 (Milford Haven)
• Route 446 (Carmarthen – Llandysul)
• Route 447 (Cardiganshire to Newcastle Emlyn)
• Route 448 (Crymych – Cardigan)
• Route 465: Pontypool – Hafodyrynys (- Crumlin); (Aberbeeg -) Cwm – Beaufort
• Route 466: Valleys
• Route 467: Sirhowy Valley (Blackwood - Holybush / Pouchin - Tredegar)
• Route 468: Rhymney Valley (Pengam - Bute Town)
• Route 469: Bargoed – (Fochriw – Rhymney)
• Route 475: Caerphilly – Senghenydd
• Route 476: Trelewis – Taff Bargoed
• Route 477: Edwardsville – Merthyr Tydfil
• Route 478: Abercynon – Llwydcoed
• Route 492: Cwmbran – Brynmawr
• Route 566: Anglesey north coast
• Route 811: Valleys – Porth-Pontypridd (Rhondda Fach)
• Route 818: Llangurig NCN81 high level braid
• Route 819: Rhayader-Strata Florida southern braid
• Route 820: Llanwrtyd Wells – Strata Florida/NCN81
• Route 822: Aberaeron – Lampeter
• Route 825: Radnor Ring
• Route 862: Gellings Greenway: Kirkby – Knowsley (Liverpool)
• Route 881: Valleys (Rhondda Valley / Pontypridd – Maerdy)
• Route 882: Valleys (Rhondda Valley / Treorchy)
• Route 883: Valleys (Ogmore Valley)
• Route 884: Valleys (Garw Valley)
• Route 885 (Bridgend – Maesteg – Afan Forest Park)
• Route 887 (Port Talbot – Pontrhydyfen – Afan Forest Park)
• Taff Trail (partly follows the National Cycle Network Route 8, Lôn Las Cymru)
• The National Byway -including stretches among the Welsh Marches

This article does not cite any sources. (December 2009)

• Conservation in the United Kingdom
• Cycleways in England