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Routes
MTB trails
United Kingdom
Wales
North Wales
Gwynedd

Morfa Harlech National Nature Reserve

Routes
MTB trails
United Kingdom
Wales
North Wales
Gwynedd

Morfa Harlech National Nature Reserve

The best MTB trails around Morfa Harlech National Nature Reserve

4.1

(12)

57

riders

14

rides

Mountain biking around Morfa Harlech National Nature Reserve offers a diverse landscape for riders. The region is characterized by its coastal position, featuring extensive sand dunes, marshlands, and estuary views. Nearby areas include forested paths and rolling hills, providing varied terrain for different skill levels. This mix of coastal and inland features creates a dynamic environment for mountain bike trails.

Best mountain bike trails around Morfa Harlech National Nature Reserve

  • The most popular mountain bike trail is Pen-y-Pass – Telegraph…

Last updated: May 11, 2026

4

riders

#1.

Pen-y-Pass – Telegraph Valley (Maesgwm) loop from Penrhyndeudraeth

62.9km

04:51

1,210m

1,210m

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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Hard

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Popular around Morfa Harlech National Nature Reserve

Cycling around Morfa Harlech National Nature Reserve

Road Cycling Routes around Morfa Harlech National Nature Reserve

Running Trails around Morfa Harlech National Nature Reserve

Hiking around Morfa Harlech National Nature Reserve

Tips from the Community

Dominiek Van Dooren
May 3, 2026, Rhyd Ddu Railway Crossing

Stop, look out and listen are the recommendations (to be read on the sign) that you must follow when crossing the track here. It is an unguarded crossing on this railway for tourist trains.

Translated by Google

9

0

Insanely steep at 37.45% early on but eases off quickly.

0

0

Charlie Cosh
September 21, 2025, Porthmadog Harbour

Porthmadog came about after William Madocks (a guess this is where the name of the town derives from) built a sea wall, the Cob to reclaim land from the sea for farming use. The diversion of the river caused it to scour out a new natural harbour deep enough for small ships and the first public wharves appeared in 1825. Quarry companies followed, with wharves along the shore mainly for the transport of slate and due to this the town grew in population and importance.

1

0

Lovely area

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Tis is the crossing of the Ffestiniog Welsh Highland Railway at Rhyd Ddu. once through the crossing the surface becomes compact gravel and climbing. It is rideable but takes effort

1

0

Excellent sight looking across Llyn Peris which is 503mtrs above sea level. Dinorwig hydroelectric power station is straight across the lake, this generates 1728MW of power. There are 16 kilometres of deep tunnels in Elidir Mountain. This was opened in 1984

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0

Juliane
June 24, 2025, Pen-y-Pass

If you want to park here, you have to reserve a parking space in advance for 20 GBP. We didn't manage to do it, as everything was fully booked. You can then park in Llanberies and take the Sherpa Bus S1 or S2 to Pen y Pass. The bus runs every half hour. From Pen y Pass, you can then choose the Miner's Track or Pyg Track. Have fun!

Translated by Google

2

0

Right opposite the layby are the two main blocks - a good description and link to the topo is at https://www.climber.co.uk/outdoor/bouldering/around-the-bloc-the-cromlech-boulders-llanberis/ There are more higher up on the hill and you will find boulderars here at most times of the weather permits.

3

0

Frequently Asked Questions

How many mountain bike trails are available around Morfa Harlech National Nature Reserve?

There are 14 mountain bike trails available in the Morfa Harlech National Nature Reserve area. These routes offer a mix of coastal paths, sand dunes, and forested areas, catering to various skill levels.

Are there any easy mountain bike trails suitable for beginners or families?

Yes, there are 5 easy mountain bike trails around Morfa Harlech National Nature Reserve. A great option for families or beginners is the Harlech Castle – Harlech Castle loop from Harlech, which is 14.5 km long and offers scenic views.

What are the options for more challenging mountain bike rides?

For experienced riders seeking a challenge, there are 2 difficult mountain bike trails. The most demanding is the Pen-y-Pass – Telegraph Valley (Maesgwm) loop from Penrhyndeudraeth, a 63 km route with significant elevation changes through mountain terrain.

Are there any mountain bike trails that offer scenic viewpoints?

Many trails in the area provide scenic views. The Penmorfa Forest Path – View of Porthmadog loop from Porthmadog offers beautiful vistas towards Porthmadog, combining forested paths with open views.

What is the best season for mountain biking in Morfa Harlech National Nature Reserve?

The spring and autumn months generally offer the most pleasant conditions for mountain biking in Morfa Harlech. The weather is typically milder, and the trails are less crowded than during peak summer. Always check local weather forecasts before heading out, especially for coastal areas where conditions can change quickly.

Are there any circular mountain bike routes available?

Yes, many of the mountain bike trails in the area are circular. For example, the Porthmadog Harbour – Penrhyndeudraeth loop from Porthmadog is a 17 km circular trail that takes you through coastal paths and offers estuary views.

What kind of terrain can I expect on the mountain bike trails?

The terrain around Morfa Harlech National Nature Reserve is quite diverse. You can expect a mix of coastal paths, extensive sand dunes, marshlands, and estuary views. Inland, some routes feature forested paths and rolling hills, providing varied surfaces from sandy tracks to more solid forest trails.

What do other mountain bikers say about the trails in Morfa Harlech National Nature Reserve?

The mountain bike routes in Morfa Harlech National Nature Reserve are highly rated by the komoot community, with an average score of 4.1 stars from over 12 reviews. Riders often praise the diverse landscape, from coastal scenery to forested sections, and the variety of options for different skill levels.

Are there any moderate difficulty mountain bike trails?

Yes, there are 7 moderate mountain bike trails. A good example is the Cefnfilltir Standing Stone – Afon Artro Riverside Path loop from Harlech, a 23.3 km route that offers a balanced challenge with varied terrain.

How long do mountain bike trails typically take to complete in this area?

Trail durations vary significantly based on distance and difficulty. Easy routes like the Porthmadog Harbour – Penrhyndeudraeth loop from Porthmadog can be completed in under an hour, while more difficult trails such as the Pen-y-Pass – Telegraph Valley (Maesgwm) loop from Penrhyndeudraeth can take nearly 5 hours.

What should I wear for mountain biking in Morfa Harlech?

Given the coastal and varied terrain, it's advisable to wear layers that can be adjusted for changing weather conditions. Waterproof and windproof outer layers are recommended, especially near the coast. Comfortable, moisture-wicking base layers and appropriate cycling shorts are also essential. Always wear a helmet for safety.

Most popular routes around Morfa Harlech National Nature Reserve

Cycling around Morfa Harlech National Nature Reserve

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