Drivers AtlasThe world's best roads

United Kingdom, Brecon Beacons, Wales

Black Mountain Pass

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

Driving quality9.5
Scenery9.3

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

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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