Llanthony Priory: Arches in a Valley the Bus Doesn't Reach

Llanthony Priory lies in a dead-end valley with no bus service. Here's how to reach it by taxi from Hay-on-Wye or on foot from the Hay Bluff escarpment.

Llanthony priory ruins arches
Peter Evans , CC BY-SA 2.0 via Wikimedia Commons

Llanthony Priory: Arches in a Valley the Bus Does Not Reach

No bus route serves Llanthony Priory. The road into the Vale of Ewyas is a single track with passing places that terminates at a dead end beyond Capel y Ffin, and no public transport of any kind, scheduled or seasonal, travels it. That is the single most important fact to understand before you commit to visiting this Grade I listed Augustinian ruin. The two ways in are a taxi arranged from a town on a bus corridor, or your own two feet from the ridge above. Before you travel, check Traveline Cymru for live times. Welsh rural services change constantly.

  • Welsh Name: Priordy Llanddewi Nant Honddu
  • Location: Vale of Ewyas / Dyffryn Ewyas, Black Mountains
  • Grid Reference: SO 288 278
  • What3Words: ///trickster.remaking.defectors
  • Religious Order: Augustinian (Canons Regular), founded c.1108 by William de Lacy
  • Dissolution: 1538
  • Status: Grade I listed, managed by Cadw
  • Admission: Cadw charges an entry fee. The 2025 rate was published by Cadw / Welsh Government. Check the current figure before you go.
  • Hotel On Site: Llanthony Priory Hotel, incorporating parts of the medieval fabric. The Cellar Bar is in the vaulted undercroft.
  • Nearest Railway Station: Abergavenny / Y Fenni, 16 km (10 miles) by road
  • Nearest Bus Served Settlement: Llanfihangel Crucorney, approximately 8 km east. No bus goes further up the valley.
  • Public Transport Information: Traveline Cymru, 0800 464 0000, traveline.cymru
  • Long Distance Paths: Offa's Dyke Path runs on the Hatterall Ridge above. The Beacons Way starts at Abergavenny railway station and ends Day 1 at the priory.

Option One: Taxi from Hay on Wye

Hay on Wye is your only practical public transport gateway. It sits on the TrawsCymru T14 bus corridor from Brecon, which gives you a connection by road. Arrive in Hay by bus, then phone a taxi from the town at the other end of the valley. Do not expect to flag one down in the street. Abergavenny is the nearest taxi base that will reliably take a booking to the valley floor. The drive from Hay to the priory is roughly 20 to 25 minutes along narrow lanes. Expect to pay in the band of £40 to £55 each way in 2026. Confirm the fare when you book, not when you arrive.

Book a Return Time or Be Prepared to Walk

Mobile signal is absent in the Vale of Ewyas. You cannot call for a pickup from the priory car park. The hotel landline may help if you are a guest, but day visitors should not rely on it. Instruct your driver to collect you at a specific time from the same drop off point. Choose a duration that gives you at least two hours inside the ruins, plus time for a drink in the Cellar Bar. If the taxi does not appear, your only way out is the road you came in on, 10 miles back to town with no pavement. The alternative is the Offa's Dyke Path ascent from the priory up to Hay Bluff, a steep climb on a well marked trail, but you need to be fit and carrying water and a head torch if daylight is short.

Why Hay and Not the Station Town

Abergavenny has a railway station on the Manchester to Cardiff line and more taxis available. You could book a direct taxi from the station to the priory, 16 km, and pay roughly £35 to £50 each way. That is a valid plan if you arrive by train. But for a day trip without a car, Hay on Wye gives you the bus connection from Brecon and the chance to combine the priory with the bookshops. The T14 bus from Brecon to Hay runs roughly hourly on weekdays, less on Sundays. Check the Traveline Cymru website or call 0800 464 0000 for the current timetable before you set out.

Option Two: Walk in from the Escarpment

If you are already hiking the Offa's Dyke Path, Llanthony Priory is a natural detour. The national trail runs along the Hatterrall Ridge above the valley. At the point above the priory, a clear footpath drops steeply west off the ridge down into the Vale of Ewyas. The descent takes about 45 minutes. You lose serious elevation on a rocky, sometimes slippery track, so good ankle support is mandatory. Reaching the priory this way means you have walked from Hay Bluff, about 8 km along the ridge, or from a point further north near Pandy if you started earlier.

What Walking In Costs and Requires

No money. No booking. No mobile signal. The trade off is time and fitness. You need to be comfortable navigating with offline maps downloaded onto your phone or a paper OS map. The Ordnance Survey Explorer OL13 map covers this ground. Download it before you leave your accommodation. The walk back up to the ridge is harder than the descent, and if hill fog comes in, the path can become difficult to follow. Allow three hours for the round trip from the ridge to the priory and back, not counting time inside the ruins, and do not start the descent after 3 PM in autumn or winter.

The Beacons Way Approach

The Beacons Way, managed by the Brecon Beacons National Park Authority, starts at Abergavenny railway station and finishes Day 1 at Llanthony Priory. If you are walking that route, the priory is your overnight stop. The Llanthony Priory Hotel offers rooms within the medieval fabric, or you can camp nearby. That approach solves the transport problem completely because you arrive on foot and sleep where you arrive.

The Payoff: Ruins, a Pub in a Crypt, and Real Silence

The reward for the effort is a site that feels genuinely remote. The priory was founded around 1108 by William de Lacy for Augustinian canons. It was dissolved in 1538, and the ruins passed through private hands, including the poet Walter Savage Landor who bought the estate in 1807 and abandoned the project by 1814. What remains is a roofless nave, a towering west front, and the vaulted undercroft that now houses the Cellar Bar. That bar is the reason many walkers make the trip. It serves drinks in a space that is part medieval, part pub, part shelter from the rain that arrives without warning in the Black Mountains. Do not expect food beyond bar snacks unless you book at the hotel restaurant. Check seasonal opening hours before you go. The hotel operates independently of Cadw and may close on certain days in low season.

What to Do With Your Time

Walk the priory grounds. Read the information panels that explain the Augustinian daily routine. Note the 13th century arcading in the chapter house. Then sit in the Cellar Bar and listen. The silence in the valley is the point. Llanthony is inside the Brecon Beacons Dark Sky Reserve, so if you time your visit for a clear evening and arranged a late taxi pickup, the stars above the roofless arches are extraordinary. Just remember you have to get home.

An Honest Caveat

This page exists because Llanthony Priory is a destination that demands you solve a real logistics problem. There is no bus, no Uber, no friendly local with a spare seat posted on a community board. If you cannot book a return taxi or walk the ridge, do not go. The valley will not rescue you. The honesty of that constraint is exactly what makes the place worth the trouble.

Vale of Ewyas Black Mountains valley
Philip Halling , CC BY-SA 2.0 via Wikimedia Commons
Two Ways In: Taxi Versus Foot
FactorTaxi From Hay On WyeWalk From Offa's Dyke Path
Time from gateway to priory20 25 minutes driving45 minutes descent, 3 hours round trip
Cost each way 2026 estimate£40 to £55£0
Fitness requiredNoneModerate to high, steep elevation change
Mobile signal neededYes to book return; none in valleyNone at any stage
Best forDay trippers on the T14 busOffa's Dyke Path hikers and overnight walkers

Common Questions

Can I get to Llanthony Priory by bus?

No. There is no scheduled bus service to Llanthony or to Capel y Ffin, the settlement further up the valley. The nearest bus served settlement is Llanfihangel Crucorney, roughly 8 km east, and from there you still need a taxi or a long walk on a road with no pavement.

How much does a taxi from Abergavenny to Llanthony Priory cost?

A taxi from Abergavenny station to the priory, a distance of about 16 km, costs an estimated £35 to £50 each way in 2026. From Hay on Wye, the fare is roughly £40 to £55. Confirm the price when you book, not when you arrive.

Is there mobile phone reception at the priory?

No. Mobile signal is absent in the Vale of Ewyas. You cannot call a taxi from the site. Book a return pickup time when you arrange the outward journey, or be prepared to walk back out. WiFi is not available at the priory or the hotel for day visitors.

Can I walk to Llanthony Priory from the Offa's Dyke Path?

Yes. The Offa's Dyke Path runs along the Hatterrall Ridge directly above the priory. A steep footpath descends west off the ridge into the valley, taking about 45 minutes. Allow three hours for the round trip from the ridge to the priory and back, and do not start the descent after 3 PM in autumn or winter.

Does the Cellar Bar serve food?

The Cellar Bar serves drinks in the vaulted undercroft of the priory. Food beyond bar snacks is limited. For a full meal, you should book at the Llanthony Priory Hotel restaurant. Both operate independently of Cadw and may have seasonal or reduced hours. Check before you travel.