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Pembrokeshire

Letterston

The best MTB trails around Letterston

4.8

(14)

180

riders

5

rides

Mountain biking around Letterston offers diverse terrain within the Pembrokeshire Coast National Park. The region features a mix of coastal paths, rolling hills, and inland valleys. Physical features include the Preseli Hills and the rugged coastline, providing varied elevation changes and scenic backdrops for mountain bike trails.

Best mountain bike trails around Letterston

  • The most popular mountain bike trail is Fishguard and Cwm-yr-Eglwys Bay loop — Parc Cenedlaethol Arfordir Penfro / Pembrokeshire Coast National Park, a 17.8 miles (28.7…

Last updated: June 21, 2026

5.0

(2)

5

riders

#1.

Fishguard and Cwm-yr-Eglwys Bay loop — Parc Cenedlaethol Arfordir Penfro / Pembrokeshire Coast National Park

28.7km

02:27

620m

620m

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

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Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard
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Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

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Tips from the Community

Daniel Kurth
June 17, 2025, Ruins of St Brynach's Church, Cwm-yr-Eglwys

This beautiful and easy hike is perfect for escaping everyday life and enjoying nature to the fullest. The route doesn't have too much elevation gain, making it ideal for less experienced hikers or a relaxed excursion. Sturdy footwear is recommended, however, as several sections lead over unpaved paths. A special highlight: Along the way, you'll pass a beautiful beach, perfect for a swim or simply relaxing. Ideal for anyone looking to combine relaxation, exercise, and a bit of sea air. Tip: Don't forget your swimsuit!

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A great place to sample the superbly refreshing local beers😎😎

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A lovely brewery that's worth adding on a few miles for. Check their website for taproom opening hours as they will change throughout the year

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The estuary of the Afon Gwaun in Fishguard is a naturally formed old harbour. It's known as the lower town harbour and would have been the first area used commercially for fishing and trade.

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Andy
October 7, 2024, Plumstone Mountain

A great place to view western Pembrokeshire. The bridleway descent to the north west is very overgrown though.

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A wonderfully wild bridleway that runs along the summit ridge of the Preseli hills. Best ridden from west to east so that it's predominantly downhill and much better in dry weather, it gets a bit boggy in the winter.

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This place almost seems a bit enchanted and has its own charm in every season!

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Enjoy a family-friendly bike ride through the awe-inspiring Causeway Plantation, surrounded by majestic, towering trees. As you venture further, you'll emerge onto a vast expanse of lush grassland, offering breathtaking vistas of the magnificent Plumstone Mountain in the distance.

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Frequently Asked Questions

What is the overall difficulty level of mountain bike trails around Letterston?

The mountain bike trails around Letterston offer a range of difficulties. There are 4 moderate trails and 1 difficult trail available. This provides options for riders with some experience looking for a challenge, as well as those seeking a more relaxed ride.

Are there any long mountain bike routes near Letterston for experienced riders?

Yes, for experienced riders looking for a longer challenge, the Fishguard and Preseli Hills loop is a difficult 44.7-mile (72 km) trail. It typically takes over 6 hours to complete and leads through the Preseli Hills and Pembrokeshire Coast National Park, offering significant elevation changes.

Where can I find parking or trailheads for mountain biking in Letterston?

Many trails in the Letterston area, particularly those within the Pembrokeshire Coast National Park, often have designated parking areas near their starting points. For specific trailheads, you can check the details on individual komoot tour pages, such as the Fishguard and Cwm-yr-Eglwys Bay loop, which typically start from accessible points in or near Fishguard.

Are there family-friendly mountain biking options in Letterston?

While the area primarily features moderate to difficult trails, the Plumstone Mountain Circular Trail is a moderate 5.5-mile (8.9 km) loop that might be suitable for families with some mountain biking experience. It offers open views and is less technically demanding than some of the longer routes.

What is the best time of year for mountain biking around Letterston?

The Pembrokeshire Coast National Park, where Letterston is located, is beautiful year-round. However, spring and autumn generally offer the most pleasant conditions for mountain biking, with milder temperatures and fewer crowds. Summer can be great, but trails might be busier, especially near coastal areas. Winters can be wet and windy, making some trails more challenging.

What should I wear for mountain biking in Letterston, especially considering wet weather?

Given the coastal and hilly terrain of Pembrokeshire, weather can change quickly. It's advisable to wear layers, including a waterproof and windproof jacket, even on sunny days. Padded shorts, a helmet, gloves, and appropriate mountain biking shoes are essential. For wet weather, consider waterproof trousers and mudguards for your bike.

Are there mountain bike trails near Letterston that pass by a pub or offer refreshment stops?

Many routes in the Letterston area, particularly those starting or ending in towns like Fishguard, will have access to local pubs and cafes. For example, the Gwaun Valley – Lower Town Harbour, Fishguard loop passes through areas where you can find refreshment options in Fishguard or nearby villages.

What are some scenic mountain bike trails around Letterston?

The region is known for its scenic beauty. The Fishguard and Cwm-yr-Eglwys Bay loop offers stunning views of the Pembrokeshire coastline. Additionally, the Fishguard and Preseli Hills loop provides expansive vistas across the Preseli Hills.

Are there any interesting landmarks or attractions I can see along the mountain bike trails near Letterston?

Yes, the area is rich in historical and natural landmarks. You might encounter sites like the Carreg Samson Dolmen, a prehistoric burial chamber, or enjoy views from the Garn Fawr summit and trig point. The coastal routes also offer glimpses of places like Abercastle Harbour.

Are there any circular mountain bike routes available in Letterston?

Yes, several circular routes are popular in the area. The Plumstone Mountain Circular Trail is a moderate 5.5-mile loop. Another option is the Cwm-yr-Eglwys Chapel – Quay Street, Fishguard Harbour loop, which is a moderate 13-mile (20.9 km) ride.

What do other mountain bikers say about the trails in Letterston?

The mountain bike trails around Letterston are highly rated by the komoot community, with an average score of 4.8 stars from over 10 reviews. Riders often praise the diverse terrain, the stunning coastal and hill views, and the well-maintained paths within the Pembrokeshire Coast National Park.

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