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Stage 3Mountain Stage4 July 2027

Stage 3: Welshpool to Cardiff

223km
3,000m elevation
Stage 3 details
Stage3
TypeMountain Stage
DateSunday, 4 July 2027
RouteWelshpoolCardiff
Distance223 km
Elevation3,000 m

Why This Stage Matters

This is where the contenders stop hiding. The first two stages create excitement. Stage 3 creates consequences.

Wales delivers the most demanding terrain of the British Grand Départ, combining long climbs, steep gradients and relentless transitions that make recovery almost impossible.

For the general classification riders, this is the first meaningful examination of form. Team strength matters less. Positioning matters less. The legs begin telling the truth.

The Race

Stage 3 covers 223 kilometres from Welshpool to Cardiff and is expected to produce the first major selection among the overall contenders.

The opening section through mid-Wales is relatively controlled, but the character of the stage changes dramatically after the first eighty kilometres. Long climbs begin to arrive in succession, gradually wearing down the peloton before the race enters the steep roads of the South Wales valleys.

The decisive moment is likely to come on the Côte de Caerffili. Situated just twelve kilometres from the finish, it offers the perfect launchpad for aggressive general classification riders before a fast descent carries the race into Cardiff.

Experience This Stage

For pure sporting drama, this is the stage to watch.

The Welsh valleys have a long history of producing passionate sporting crowds, and the narrow roads amplify the atmosphere unlike almost anywhere else in Britain. Riders pass through communities that understand endurance, suffering and sporting pride.

Our tip: secure a position on the Côte de Caerffili early. The combination of gradient, atmosphere and race significance should make it one of the standout spectator locations of the entire British Grand Départ.

Key Climbs

  • Côte d’Epynt — 3.7km at 7.9%
  • Côte de Penrhys — 1.3km at 10.1%
  • Côte de Hengoed — 700m at 11%
  • Côte de Caerffili — 2km at 8.1%, 12km from the finish

Key Towns on the Route

Welshpool → Newtown → Llandrindod Wells → Builth Wells → Brecon → Hirwaun → Treorchy → Ferndale → Aberdare → Nelson → Caerphilly → Cardiff