Trace the ancient boundary of Offa's Dyke Path, a 283km (177 mile) National Trail along Britain's longest ancient monument — the 8th-century earthwork separating England and Wales. The trail unfolds through diverse border landscapes, from the dramatic Wye Gorge and Tintern Abbey near Chepstow, across the remote Black Mountains and Hergest Ridge, to the industrial heritage of the Clwydian Range and the seaside finish at Prestatyn.

This trail map charts the Offa's Dyke Path from south to north and offers walkers of all abilities the chance to explore limestone gorges, mountain ridges, and borderland heritage over 12–14 days. Providing precise route-line mapping, it ensures you can follow Offa's ancient frontier with total confidence.

• 1:25,000 OS trail map with Ordnance Survey Explorer map legend
• Shows the full 177-mile (283km) route of the Offa's Dyke Path
• Route divided into 12 clearly defined stages of 17–29km (11–18 miles) with route stats for walking the trail in either direction
• Downloadable GPX files for easy navigation using GPS devices or smartphone apps
• Available with the Cicerone guidebook Offa's Dyke Path or as a separate, standalone purchase

With expert guidance from author Mike Dunn, discover the timeless allure of Britain's borderlands, where every ridge reveals panoramic views, ancient history, and the quiet satisfaction of completing one of the National Trails. 

Offa’s Dyke Path

Location: English‑Welsh border, UK (Sedbury near Chepstow to Prestatyn) 
Distance: ~285 km / ~177 miles 
Typical duration: ~1–2 weeks (flexible itineraries) 
Start: Sedbury Cliffs (near Chepstow) 
End: Prestatyn Seafront 
Route format: Linear long‑distance National Trail walk 
Stages: 12 main stages (~17–29 km / 11–18 miles each) 
Difficulty: Moderate – varied terrain, suitable for most walkers with planning 
Best season: All seasons (respect high ground in winter and mist)

Author Highlight

“The long-distance path named after Offa's Dyke is just as outstanding as the Dyke itself. A magnificent, long but not too difficult walk through the wonderfully diverse and at times remarkably remote countryside of the Welsh Marches, in its middle reaches it follows the Saxon earthwork unswervingly for many miles, Dyke and path together forming an intrinsic feature of the border landscape.”

- Mike Dunn, author of Offa's Dyke Path 

Contents
Key to map pages

Stage 1 Above the Lower Wye Gorge
Stage 2 Sheep and cider in remote Monmouthshire
Stage 3 Crossing the Black Mountains
Stage 4 Gladestry and Hergest Ridge
Stage 5 The Radnorshire Hills
Stage 6 Ups and downs in deepest Shropshire
Stage 7 The Vale of Montgomery and Long Mountain
Stage 8 Across the Severn valley
Stage 9 Exploring the unknown Marches
Stage 10 The Vale of Llangollen and Eglwyseg Rocks
Stage 11 The Clwydian Range
Stage 12 Northern hills and coast

OS Explorer map legend

Seasons

This walk is exceptional in all seasons, though the Black Mountains and Clwydian range deserve respect in winter conditions, and especially in mist, since there are few landmarks on the Black Mountain ridge.

Centres

Chepstow, Hay-on-Wye, Kington, Bishops Castle, Montgomery, Welshpool, Oswestry, Llangollen, Denbigh, Prestatyn.

Difficulty

The trail includes a couple of unavoidably long stages, as well as some sections across mountains and moorland. However, it presents no particular technical challenges and is suitable for walkers of all abilities, provided that sensible advance planning is undertaken.

Must See

The route showcases a rich variety of landscapes and landmarks. Highlights include striking geological features such as the limestone gorge of the lower Wye, the igneous intrusions around Hergest Ridge, the dolerite formations of the Breidden Hills, and the limestone escarpments north of Llangollen. The upland sections take in the moorlands of the Black Mountain, the remote expanses of Clun Forest, and the Clwydian Ridge. In contrast, the lowlands offer gentler scenery, with orchards and meadows, the Montgomery Canal, and the broad Severn Valley. Along the way, there are also significant historical attractions, including Tintern Abbey and Llanthony Priory, a series of border castles, and the impressive Pontcysyllte Aqueduct.

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