Beacons Way
The Beacons Way is a 159 km trail across the Bannau Brycheiniog (Brecon Beacons) National Park from Abergavenny in the east to Llangadog in the west, crossing all the major mountain groups in the park.
This route has no official waymarking. Serious navigation experience is required — do not rely on GPS alone. Carry OS 1:25,000 maps and study the line before you go.
About Beacons Way
The Beacons Way crosses the full width of the Bannau Brycheiniog National Park in a west-to-east traverse linking all four mountain ranges: the Black Mountains, the Beacons themselves (Pen y Fan, Corn Du), the Fforest Fawr and the Black Mountain (singular, Mynydd Du). It is one of the best long-distance mountain routes in Wales and takes in some of the finest upland scenery in southern Britain.
For trail runners it is a three to five day challenge. The terrain is mixed — boggy moorland alternates with dramatic ridge lines. The central section over Pen y Fan (886 m, the highest point in southern Britain) and the surrounding escarpment is outstanding. The less-visited western ranges of Fforest Fawr and the Black Mountain are wilder and more remote.
The route is waymarked with Beacons Way markers (a dragonfly symbol) but the waymarking is not always dense — navigation skills help, particularly on the western moorland sections.
The route
Abergavenny to Talybont (~50 km): Through the Black Mountains via the Sugar Loaf and Mynydd Llangatwg escarpment. Long ridge running with views south to the Bristol Channel.
Talybont to Brecon (~40 km): The central Beacons — Corn Du, Pen y Fan (886 m), Cribyn, Fan y Big. The Brecon Beacons north escarpment is one of the most dramatic ridge lines in Wales.
Brecon to Llangadog (~70 km): The western ranges. Fforest Fawr (Fan Fawr, Fan Nedd) and the Black Mountain (Fan Brycheiniog, 802 m, Llyn y Fan Fach). The remotest and most atmospheric section.
Getting there & logistics
Start: Abergavenny. Train connections from Cardiff and Newport.
Finish: Llangadog. Bus to Llandeilo, then connections east. Limited public transport — arrange lift or leave car.
Accommodation: Crickhowell, Talybont-on-Usk, Brecon and Sennybridge are the main stops. The western section has very limited facilities — Trecastle is the only notable stop between Brecon and Llangadog.
Best time: May to October. The western moorlands are very boggy in winter.
Safety
The Beacons Way crosses sustained high ground with limited shelter. Pen y Fan is the most visited summit in Wales outside Snowdonia and is well-trodden, but the western Black Mountain section is genuinely remote with very slow rescue access. The south-facing escarpment can be icy in winter and spring.
In an emergency: call 999 or 112, ask for Police then Mountain Rescue. Brecon Beacons MRT and Central Beacons MRT cover the main range. Pre-register SMS 999 (text 'register' to 999).
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