Abergwesyn Mountain Pass
Wales
In short: Abergwesyn Mountain Pass is a 29 km mountain road trip in Wales, typically driven over 1 day, best in Apr–Oct. Highlights: Tregaron, Llyn Brianne, Devil's Staircase.
Wales's finest mountain road, the Abergwesyn Pass climbs from Tregaron through hairpin bends known as the Devil's Staircase to staggering views over the Cambrian Mountains. Short but intense: forest, valley, lake, and moorland in a route that rewards anyone willing to leave the A-roads behind.
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Frequently asked questions
How long is the Abergwesyn Mountain Pass drive?
The Abergwesyn Mountain Pass covers 29 km from start to finish.
How long does the Abergwesyn Mountain Pass take to drive?
Most travellers spend 1 day on the Abergwesyn Mountain Pass, depending on stops and pace.
When is the best time to drive the Abergwesyn Mountain Pass?
The recommended season for the Abergwesyn Mountain Pass is Apr–Oct.
Where does the Abergwesyn Mountain Pass start and end?
The Abergwesyn Mountain Pass runs from Tregaron to Llanwrtyd Wells.
What are the main stops on the Abergwesyn Mountain Pass?
The Abergwesyn Mountain Pass passes through Tregaron, Llyn Brianne, Devil's Staircase.
Can I drive the Abergwesyn Mountain Pass in a regular car?
Yes — the Abergwesyn Mountain Pass is paved end-to-end and a regular car is fine in normal conditions.
Is the Abergwesyn Mountain Pass EV friendly?
Yes — the Abergwesyn Mountain Pass has charger coverage along the route and works as an EV road trip.
Is the Abergwesyn Mountain Pass safe to drive?
The Abergwesyn Pass features steep gradients, tight hairpin bends, and single-track sections with infrequent passing places. It is unsuitable for caravans, large motorhomes, or nervous drivers. Take care on blind corners and expect sheep on the road.
What scenic tier is the Abergwesyn Mountain Pass?
The Abergwesyn Mountain Pass is a iconic drive — Iconic road trips that anchor a region's reputation — postcard scenery, headline highways, and the routes most travellers want to drive.





