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Running Trails
United Kingdom
Wales
North Wales
Denbighshire

Y Berwyn National Nature Reserve

The best running trails around Y Berwyn National Nature Reserve

4.0

(2)

387

runners

38

runs

Jogging routes around Y Berwyn National Nature Reserve traverse a diverse landscape of upland moorland, woodlands, and blanket bogs, forming part of the Berwyn Mountain range. The terrain is characterized by hilly, mountainous, and rocky sections, with notable peaks like Cadair Berwyn (832 meters) and Moel Sych (827 meters). This region offers varied terrain elevation, providing both moderate and challenging running experiences across its natural features.

Best jogging routes around Y Berwyn National Nature Reserve

  • The most popular jogging route…

Last updated: June 26, 2026

12

runners

#1.

Cadair Berwyn & Moel Sych loop — Berwyn Hills

7.81km

01:18

510m

510m

Embark on the Cadair Berwyn & Moel Sych loop for a challenging jogging experience across 4.9 miles (7.8 km) with a significant 1678 feet (512 metres) of elevation gain. This…

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Hard

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

4

runners

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Popular around Y Berwyn National Nature Reserve

MTB Trails around Y Berwyn National Nature Reserve

Road Cycling Routes around Y Berwyn National Nature Reserve

Hiking around Y Berwyn National Nature Reserve

Cycling around Y Berwyn National Nature Reserve

Gravel biking around Y Berwyn National Nature Reserve

Tips from the Community

Chris Shannon
September 27, 2025, Moel Sych Summit Cairn

I'm sure it looks nice shame I had no view

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The loop from Llandrillo going anticlockwise is very steady and pleasant. But be prepared for substantial bog trotting in the central part of the valley passing the area marked as Gwern Wynodl. Even with newish goretex boots, we came away with wet feet. Good boots and gaiters, or wellies for that section highly recommended. Return section (first section if doing it clockwise) is also pretty boggy in parts. It also seemed like a bit more of a slog doing it clockwise.

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The track from the East is broken but doable on a gravel bike - I had to push the last few hundred metres. Awkward terrain - large stones - and plenty of puddles - but a fabulous day on 2 wheels!

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About 5ft deep and 8ft in diameter, enough to sit and shelter from the wind. Good place to stop for coffee for 5/6 people.

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Steep path close to the edge on the way up

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1

Trig point Berwyn Chair

Translated by Google

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Spectacular views on a clear day

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The Wayfarer Memorial Traverse is a very rough but wide track that can be best described as a good gravel ride for the most part. It is best ridden on a mountain bike if you want some comfort, otherwise a gravel bike or other tough touring bike will manage it if you have appropriate wide 40mm+ tyres. Either way be prepared for a bit of walking on some of the tougher stages but don't let this detract from the fact that overall this is a classic route totally rideable for the best part and with great views that is well worth the effort. Best done in good weather. If in doubt have a read of the following article: https://gravelshack.life/north-wales-the-wayfarer/

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Frequently Asked Questions

How many running routes are available in Y Berwyn National Nature Reserve?

Y Berwyn National Nature Reserve offers a wide selection of over 40 running routes. These trails cater to various fitness levels, from moderate runs to more challenging mountain trails, ensuring a diverse experience for all runners.

What kind of terrain can I expect on the jogging trails in Y Berwyn National Nature Reserve?

The terrain in Y Berwyn National Nature Reserve is highly varied, characterized by upland moorland, woodlands, dry heath, and blanket bogs. You'll encounter hilly, mountainous, and rocky sections, with some paths being uneven and boggy. Sturdy footwear is recommended for many of the trails.

Are there challenging running routes for experienced runners in the Berwyn Mountains?

Yes, for experienced runners seeking a challenge, Y Berwyn National Nature Reserve offers several demanding routes. Options like the Cadair Berwyn Summit – Moel Sych Summit Cairn loop from Llandrillo, spanning over 23 km with significant elevation gain, provide a rigorous workout amidst stunning mountain scenery.

Are there any easy or beginner-friendly jogging routes?

While many routes are moderate to difficult, there are options suitable for beginners or those looking for an easier run. These trails often feature less elevation and more stable surfaces, allowing for a more relaxed jogging experience within the reserve's beautiful landscapes.

What natural features or landmarks can I see along the running trails?

Jogging in Y Berwyn National Nature Reserve allows you to discover impressive natural features. You can encounter prominent peaks like Cadair Berwyn Summit and Moel Sych Summit Cairn. A must-see attraction is Pistyll Rhaeadr, Britain's tallest single-drop waterfall, which is also a popular access point to the Berwyns.

Can I bring my dog on the running trails?

Many trails within Y Berwyn National Nature Reserve are dog-friendly, allowing you to enjoy your run with your canine companion. However, it's always advisable to keep dogs on a lead, especially in areas with livestock or ground-nesting birds, to protect wildlife and ensure their safety.

Are there circular running routes available?

Yes, Y Berwyn National Nature Reserve features several excellent circular running routes. For example, the Caer y Bont loop from Llandrillo offers a moderate 12.4 km circuit through varied landscapes, perfect for a satisfying run that brings you back to your starting point.

What is the best time of year to go running in Y Berwyn National Nature Reserve?

The best time to go running in Y Berwyn National Nature Reserve is generally during spring, summer, and early autumn when the weather is milder and trails are less boggy. Spring brings vibrant blooms, while autumn offers golden hues. Winter runs are possible but require appropriate gear due to potentially harsh conditions and snow at higher elevations.

Are there any routes that offer panoramic views?

Absolutely. Many of the higher-elevation routes provide expansive panoramic views across the Berwyn Mountains and surrounding areas. The Moel Sych Summit Cairn – Cadair Berwyn Summit loop from Pen y Bryniau is particularly known for its breathtaking vistas.

What do other runners enjoy most about jogging in Y Berwyn National Nature Reserve?

The area is highly rated by the komoot community, with an average score of 3.0 stars. Runners often praise the wild and tranquil atmosphere, the challenging yet rewarding mountain terrain, and the opportunity to immerse themselves in nature away from crowds.

Is parking available near the running routes?

Yes, parking is available at common access points to the trails. For instance, areas near Pistyll Rhaeadr and Llandrillo serve as popular starting points and typically offer parking facilities for visitors accessing the reserve's running routes.

Can I reach the running trails using public transport?

While Y Berwyn National Nature Reserve is a more remote area, some access points may be reachable by limited public transport options. It's recommended to check local bus schedules or consider car sharing to reach the trailheads, especially for routes starting from villages like Llandrillo.

Most popular routes around Y Berwyn National Nature Reserve

MTB Trails around Y Berwyn National Nature Reserve

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