28.2km

Cyrn-y-Brain and The Eglwyseg Escarpment — 28.2 km Running Route

by Skamper

Cyrn-y-Brain and The Eglwyseg Escarpment is a 28.2 km (17.5 miles) loop in Llangollen, Wales: hilly, with 754 m of climb, on mostly trail ground.

754 mAscent

15%Paved

4/5Hilly

Cyrn-y-Brain and The Eglwyseg Escarpment running route

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Photos

Cyrn-y-Brain and The Eglwyseg Escarpment - Photo 1

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Elevation

Explore the Cyrn-y-Brain and The Eglwyseg Escarpment

Location: Llangollen, Wales

Discover a truly challenging adventure from Llangollen, Wales, exploring Cyrn-y-Brain and the dramatic Eglwyseg Escarpment. This 28.2km route features steep climbs, rugged tracks, and technical sections, including scree slopes beneath Craig Arthur and the ascent to Cyrn-y-Brain. Expect mixed surfaces from grassy paths to rocky terrain, with a significant 754m of ascent.

This demanding run is ideal for experienced trail runners seeking an endurance test and spectacular Welsh mountain scenery. You'll traverse a section of Offa's Dyke Path and be rewarded with panoramic views from Castell Dinas Brân, showcasing Llangollen's beautiful and rugged surroundings.

Common questions

How long is this route?

It's a 28.2 km loop in Llangollen, Wales with around 754 metres of total ascent.

How long will it take me to run it?

Use the 'Your time estimate' panel at the top of this page — it predicts your finish time for this exact route from your age, sex and most recent benchmark, accounting for distance, ascent and surface.

Is it hilly?

Yes. It rates 4 out of 5 on our hill scale — a hilly route with sustained climbing. About 27 metres of climb per kilometre, 754 metres in total.

What's the surface like?

It's mostly off-road (around 85% trail). Trail shoes are recommended.

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