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South Wales
Longtown

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

1

hikers

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

06:14

20.3km

690m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 6, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

A

Start point

Bus stop

Get Directions

1

3.11 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 …

Tip by

2

4.42 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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5.04 km

Wirral Wood

Forest

4

5.76 km

Llanthony Priory Cellar Bar Sign

Highlight • Historical Site

Very nice sign of the Priory

Translated by Google •

Tip by

5

6.02 km

Ruins of the Priory

Highlight • Religious Site

Remains of the outbuildings

Translated by Google •

Tip by

6

6.26 km

Free Hiking Car Park

Highlight • Rest Area

There are also plenty of picnic benches.

Translated by Google •

Tip by

7

6.32 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 …

Tip by

8

12.1 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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9

20.1 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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B

20.3 km

End point

Bus stop

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Way Types & Surfaces

Way Types

16.0 km

3.02 km

697 m

515 m

Surfaces

13.1 km

4.19 km

2.44 km

562 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (520 m)

Lowest point (110 m)

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Weather

Powered by Foreca

Friday 22 May

23°C

12°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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