Offa's Dyke Path – Llanthony Priory Ruins loop from Longtown

Routes

Hiking trails & Routes

South Wales

Longtown

Offa's Dyke Path – Llanthony Priory Ruins loop from Longtown

Hard

hikers

Offa's Dyke Path – Llanthony Priory Ruins loop from Longtown

06:09

19.9km

690m

Hiking

Hard hike. Very good fitness required. Easily walkable paths. The starting point of the route is accessible with public transport.

Last updated: November 6, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Bus stop

Get Directions

3.08 km

Offa's Dyke Path

Highlight • Trail

Offa's Dyke (Welsh: Clawdd Offa) is a large linear earthwork that roughly follows the current border between England and Wales. The structure is named after Offa, the Anglo-Saxon king of …

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4.40 km

View of Hatterrall Hill and the Black Mountains

Highlight • Viewpoint

Hatterrall Hill is a rounded peak in the Black Mountains which sits on the Wales-England border, partly in Monmouthshire, Wales and partly in Herefordshire, England. Its summit at 531m is …

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5.01 km

Wirral Wood

Forest

5.46 km

Llanthony Priory

Highlight • Religious Site

What a fantastic place. Touch of history.

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5.67 km

Ruins of the Priory

Highlight • Religious Site

Remains of the outbuildings

Translated by Google •

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5.85 km

Llanthony Priory Ruins

Highlight • Historical Site

Llanthony Priory is a partly ruined former Augustinian priory in the Black Mountains area of the Brecon Beacons National Park. As well as being a stunning place to visit it …

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5.91 km

Free Hiking Car Park

Highlight • Rest Area

There are also plenty of picnic benches.

Translated by Google •

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11.7 km

Hatterrall Hill Summit

Highlight • Viewpoint

Hatterrall Hill – Mynydd Y Gader in Welsh – is a rounded high point towards the southern end of the Black Mountains' easternmost arm. Both the Offa's Dyke Path and …

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19.7 km

St Clydawg Church, Longtown

Highlight • Religious Site

This is a beautiful and fascinating church is located right beside the Afon Mynwg (River Mynwg). The graveyard is overgrown, as is normal these days, to allow for the wildlife …

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19.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

15.9 km

3.12 km

504 m

452 m

Surfaces

12.3 km