Map & Elevation
About this Route
The Cambrian Way runs the length of Wales from Cardiff Castle to Conwy Castle on the north coast. It measures 486.6 kilometres with 17,475 metres of ascent, typically rounded to about 298 miles. This is not a waymarked corridor with regular facilities. It is a demanding line through the Brecon Beacons, the Cambrian Mountains and Eryri requiring competent navigation, self-sufficiency over long stages, and realistic assessment of your pace and stamina. The Naismith estimate of 126 hours 27 minutes gives some sense of committed distance, though the practical challenge lies as much in planning resupply, accommodation and weather windows as in daily ascent.
The route crosses remote and exposed country. Between Llandovery and Dinas Mawddwy you walk long sections where mobile signal, shelter and escape routes are sparse, and where terrain offers little forgiveness if visibility drops or weather turns. Stage lengths are dictated by limited distribution of villages and transport links, not by your preferred mileage. Wild camping is not a right in Wales; you need landowner permission or formal campsites, which means advance planning rather than improvisation. The route demands full mapping, compass skills, and ability to navigate in cloud and rain without relying on cairns or posts.
The supplied GPX follows a 21-stage itinerary through Pontypool, Capel-y-ffin, Storey Arms, Llandovery, Claerddu, Dylife, Dinas Mawddwy, Barmouth, Beddgelert, Pen-y-Pass and Llyn Ogwen. The line takes in high ridges, open moorland, forestry sections and mountain passes with sustained climbs and descents that accumulate relentlessly. This is a route for experienced hill walkers prepared for the full spectrum of Welsh mountain weather and the logistics of a long, committing traverse. If you want a gentle introduction to multi-day walking, this is not it.
The Mountain Connoisseur's Walk
Tony Drake, Cambrian Way creator
Route Waypoints
Cardiff Castle marks the start at ST 181 764 in the capital centre. The first stage heads north through urban fringe into the valleys, a long day gaining height gradually before serious climbing begins beyond Pontypool.
Pontypool at 43.9 kilometres is the first major waypoint, marking the end of urban approach and beginning of hill country. The route continues north over moorland ridges towards the Black Mountains with limited resupply until Abergavenny or beyond.
Capel-y-ffin at 84.7 kilometres sits in the Vale of Ewyas beneath the eastern scarp of the Black Mountains. The route has crossed high ground to reach this remote valley; next stages climb west into the Brecon Beacons proper via Crickhowell with exposed ridges and a long approach to Storey Arms.
Storey Arms at 145.6 kilometres is the high point on the A470, a familiar landmark for anyone who has walked Pen y Fan. The route has crossed the Beacons and continues west into less-travelled country, leaving popular summits behind and entering the long, lonely heart of the Cambrian Mountains.
Llandovery at 195 kilometres offers the last substantial town facilities for some time. The route heads northwest into remote uplands around Llyn Brianne and Tywi Forest, where navigation becomes more committing and accommodation options thin out significantly.
Claerddu at 245 kilometres lies in the upper Tywi valley, a remote waypoint in the central Cambrians. The route continues through high, exposed moorland towards Ponterwyd and Dylife, crossing terrain that sees few walkers and offers little shelter or mobile signal.
Dylife at 292.8 kilometres is a small former lead-mining settlement in the hills above Machynlleth. The route has crossed some of the emptiest country in Wales; the next stage heads north towards Dinas Mawddwy, still remote but with better valley access.
Dinas Mawddwy at 330.2 kilometres is a small village in the Dyfi valley. The route turns northwest into Eryri, with the character shifting from open moorland to the rockier, more dramatic mountains of Snowdonia.
Barmouth at 366.6 kilometres sits on the coast, a brief encounter with the sea before the route turns inland for the final push into the high peaks. Beyond here the route climbs back towards Beddgelert.
Beddgelert at 428.5 kilometres is a popular village in the heart of Eryri, well positioned for the final stages over the highest ground. The route climbs steeply towards Pen-y-Pass, entering the busiest and most dramatic section.
Pen-y-Pass at 446.3 kilometres is the high point on the Llanberis Pass road, the jumping-off point for Snowdon. The route crosses the main ridge and descends towards Llyn Ogwen with exposed navigation and potentially crowded paths depending on weather and season.
Llyn Ogwen at 456.8 kilometres marks the descent from the high peaks into the Ogwen valley. The final stage to Conwy is a demanding 30.5-kilometre mountain day: a steep climb onto Pen yr Ole Wen, the long traverse of the Carneddau, then Tal y Fan and Conwy Mountain before descending to the coast.
Conwy at 486.6 kilometres is the northern terminus beneath the castle walls on the estuary. The route is finished; what remains is finding a train home and wondering why you thought this was a good idea.
Essential Tips
Carry full 1:25,000 mapping for the entire route and the ability to use it in poor visibility. The Cambrian Way has partial waymarking in some sections but cannot be relied upon for continuous navigation, particularly on high ground. GPS is useful but not a substitute for map and compass skills; batteries fail and signals drop in valleys.
Stage lengths are dictated by limited distribution of villages and facilities, particularly in central sections. Book accommodation ahead or plan for long road walks to off-route options. Wild camping requires landowner permission; formal campsites are sparse through the Cambrian Mountains.
The route crosses high, exposed ground for much of its length with little natural shelter on ridges and moorland plateaux. Welsh mountain weather is notoriously variable; carry full waterproofs, warm layers and ability to navigate in cloud and rain. Summer offers the best weather window, but prepare for all seasons.
With 17,475 metres of ascent over 486.6 kilometres, this is a committing expedition rewarding realistic planning over optimism. The official route suggests 21 stages, a straightforward basis for planning roughly three weeks, though experienced walkers may combine or divide stages to suit their pace and available accommodation.
Frequently Asked Questions
Is the Cambrian Way a National Trail?
No. The Cambrian Way is a long-distance route with an active route body and partial waymarking in some sections, but it is not continuously waymarked or maintained to National Trail standard. You are responsible for navigation, planning and all logistics. Some sections follow promoted paths or National Trail fragments, but most of the route requires independent mountain navigation skills.
Can I wild camp along the route?
There is no general right to wild camp in Wales. You must seek permission from landowners or use formal campsites and accommodation. This significantly affects stage planning, particularly in remote central sections where facilities are sparse and alternatives limited.
How long does the Cambrian Way take?
The route is divided into 21 suggested stages, a straightforward basis for planning around three weeks. Experienced walkers may vary this depending on fitness, conditions and how much ascent they are comfortable with each day. The Naismith estimate of 126 hours 27 minutes reflects continuous walking time; actual itineraries will be longer once you factor in rest, resupply and weather delays.