United Kingdom, Brecon Beacons, Wales
A ribbon of hairpins climbing a bare Welsh moorland made famous by Top Gear.
Length
19 km
In miles
11.8 mi
Driving time
36 min
Atlas rating
9.4 / 10
The run
Brynamman to Llangadog, following the A4069. Drive it in either direction, though the views usually favour the climb.
Season
Frequently closed by snow, one of Wales's first roads to shut
Checked by the Drivers Atlas desk
Scored and written by the Drivers Atlas editorial desk, drawing on driven routes across the UK and Europe, mapping data and member road reports. Every road in the library carries a driving and scenery score set by the same method. How we score roads.
Last reviewed 15 March 2026
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Evo Triangle, A5
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Crimea Pass
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Horseshoe Pass
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Plan around it
Curated drives
A to B journeys
4 days
London to Lake Garda
The classic run south from England to the Italian lakes, taken the long way through the Alps rather than straight down the autoroute.
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Longer journeys