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Cycling · Wales, Cardiff to Holyhead

Lôn Las Cymru Cycle Route (NCN 8)

c. 390–400 km (c. 245 miles)Distance
c. 4,500–5,500 m (sources vary)Ascent
4–7 daysTime
HardGrade

National Cycle Route 8 runs the length of Wales, from Cardiff (or Chepstow) through Bannau Brycheiniog, the hills of Mid Wales and Eryri to the Menai Strait and Holyhead on Anglesey — a big, hilly, beautiful tour on quiet lanes and traffic-free trails.

Surrounding-area map © OpenStreetMap contributors. Open full map ↗

Start, parking & getting there

The main southern start is Cardiff Bay, with a Chepstow alternative that joins the main route at Glasbury in the Wye Valley; Holyhead is the northern end. Cardiff, Chepstow and Holyhead are all on the rail network, and stations along the way (for example Machynlleth, Porthmadog and Bangor) make it easy to split the route. Transport for Wales and other operators have limited bike spaces and may require or recommend reservations, so book before you go, especially in summer.

What's in the full guide

  • The ride
  • Supplies: food, water, bike shops & repairs
  • Where to camp or stay
  • Bike, kit & safety

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Recommended kit for this route

Cycling

Ortlieb Back-Roller Classic Panniers (Pair)

The benchmark roll-top touring pannier, widely praised for being fully waterproof and near-indestructible — a staple of long-distance cycle tourers.

Cycling

Crankbrothers M19 Multitool

A widely reviewed 19-function multitool with a chain breaker and spoke keys — covers most roadside repairs in one pocket-sized tool.

Cycling

Cygolite Metro Plus & Hotshot Bike Light Set

A widely reviewed USB-rechargeable front and rear light pair with daytime flash modes — a popular choice for tunnels, lanes and late finishes.

Clothing

Marmot PreCip Eco Rain Jacket

A packable, budget-friendly waterproof shell with long-running strong owner ratings.

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