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Pembrokeshire

Llanrhian

The best MTB trails around Llanrhian

4.7

(6)

42

riders

6

rides

Mountain biking around Llanrhian offers routes through the coastal landscape of Pembrokeshire. The region features a mix of undulating terrain, coastal paths, and rural roads, providing varied riding experiences. Elevation changes are moderate, with routes often connecting historic sites and scenic viewpoints. The area's geology contributes to diverse trails suitable for mountain biking.

Best mountain bike trails around Llanrhian

  • The most popular mountain bike trail is Porthgain Harbour – St David's Cathedral loop from Carreg Samson, a 20.4 miles…

Last updated: June 21, 2026

4.7

(3)

15

riders

#1.

Porthgain Harbour – St David's Cathedral loop from Carreg Samson

33.3km

02:02

400m

400m

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

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Moderate

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

Moderate
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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

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

Moderate

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Tips from the Community

MailPilot
April 19, 2026, St Rhian's Church, Llanrhian

Quite unusual, this church: its tower, its cruciform plan and - that I’ve not seen before - it’s oriented SW-NE. (And why not??) Inside, it’s peaceful calm, welcoming and with a cared-for atmosphere. Go visit if you’re passing.

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Great: there’s also a refill station for empty water bottles!

Translated by Google

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Holly
March 17, 2025, Porthgain Harbour

Beautiful old pub! Stopped here after a hike & it was fascinating inside, plenty of locals, of course a lot of tourists (as I was!) But I'd love to come back here sometime & go there for the evening, it just looks like it gets a bit loose!

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A lovely little cafe serving homemade fresh food

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Andy
October 8, 2024, Porthgain Harbour

Visit this interesting historical site & see how Porthgain used to be

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Wonderful cafe, fresh made food & drinks. Very quaint & well worth a stop there😎

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Hermann
August 10, 2024, Porthgain Harbour

Porthgain, a small coastal village in Pembrokeshire, became an industrial hub in the 19th and early 20th centuries. The quarrying activities in Porthgain primarily focused on slate and later on roadstone. The harbour, constructed in 1851, was essential for exporting slate from nearby quarries. Initially, slate was transported to the harbour by horse-drawn tramways and later by steam-powered machinery. By the late 19th century, the industry expanded to include brickmaking using slate waste. The demand for roadstone led to the development of steam-powered crushers and large storage hoppers, which are still visible today. Despite its industrial success, the Great Depression in the inter-war period led to a decline in trade, and by 1931, the quarrying activities had ceased. Today, Porthgain is a conservation area, preserving its rich industrial heritage and attracting visitors to its historical sites and scenic beauty

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Hermann
August 6, 2024, Porthgain Harbour

Porthgain is known for its picturesque harbour and rich industrial history. The village was once a bustling industrial port in the early 1900s, primarily involved in the export of slate, bricks, and crushed roadstone. Quarry History: • Slate Quarrying: Slate was the primary industry in Porthgain from around 1850 to 1910. The slate was quarried from nearby locations like Abereiddi and Trwynllwyd and transported to Porthgain via a tramway. • Brickmaking: From 1889 to 1912, bricks were manufactured using waste from the slate operations. The large brick hoppers that dominate the harbour today were used to store crushed dolerite before shipment. • Roadstone Production: After the decline of the slate industry, Porthgain turned to producing crushed roadstone from 1889 until 1931. Today, Porthgain is a conservation area, attracting visitors with its historical charm, scenic views, and local seafood. The harbour remains active, primarily serving local fishermen and recreational boaters.

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Frequently Asked Questions

What kind of mountain bike trails can I expect around Llanrhian?

The Llanrhian area offers a diverse mountain biking experience, featuring coastal paths, rolling hills, and rural tracks. You'll find a mix of undulating terrain and routes that often connect historic sites and scenic viewpoints within the Pembrokeshire landscape.

Are there mountain bike trails suitable for beginners in Llanrhian?

Yes, the network around Llanrhian includes options for different ability levels, including easy mountain bike trails. While most routes are moderate, there is at least one designated easy trail available for those new to mountain biking or looking for a more relaxed ride.

Are there circular mountain bike routes in Llanrhian?

Many of the mountain bike routes around Llanrhian are designed as loops. For example, the popular Porthgain Harbour – St David's Cathedral loop from Carreg Samson and the St David's Cathedral – St David's Cathedral loop from Solva are both circular, allowing you to start and finish in the same location.

What interesting sights can I see while mountain biking around Llanrhian?

The trails often pass by significant landmarks and scenic spots. You can explore historic sites like St David's Cathedral and Bishop's Palace. Coastal routes might take you past picturesque spots such as Solva Harbour and Porthgain Harbour. For panoramic views, consider routes near Carn Llidi Summit View.

When is the best time of year for mountain biking in Llanrhian?

The coastal nature of Llanrhian means conditions can vary. Spring and autumn generally offer pleasant temperatures and fewer crowds, making them ideal. Summer is also popular, but trails can be busier. Winter riding is possible, but be prepared for potentially wet and windy conditions, especially on exposed coastal sections.

How long are the mountain bike trails around Llanrhian?

The trails vary in length to suit different preferences. You can find routes ranging from moderate distances like the St David's Cathedral – St David's Cathedral loop from Solva at 13.7 miles (22.0 km), to longer rides such as the Porthgain Harbour – St David's Cathedral loop from Carreg Samson which is 20.4 miles (32.8 km).

Is parking available near the mountain bike trails in Llanrhian?

Yes, parking is generally available in the villages and towns that serve as starting points for many of the trails, such as St Davids, Solva, and near Porthgain. It's advisable to check local signage for specific parking regulations and fees.

Are there places to eat or drink along the mountain bike trails?

Many routes pass through or near villages and towns like St Davids, Solva, and Porthgain, where you can find cafes, pubs, and shops to refuel. It's a good idea to plan your route and check for amenities beforehand, especially on longer rides.

What should I wear for mountain biking in Llanrhian?

Given the coastal and often exposed terrain, layering is recommended. Waterproof and windproof outer layers are essential, even in summer, as weather can change quickly. Padded shorts, appropriate footwear, and a helmet are standard mountain biking gear. Don't forget sun protection and plenty of water.

Are the mountain bike trails in Llanrhian suitable for families?

Yes, there are options for families, particularly on the easier and less technical trails. The region offers routes with moderate elevation changes, making them accessible for riders of varying skill levels. Always check the specific trail difficulty and length to ensure it's appropriate for your family's experience.

What do other mountain bikers enjoy most about mountain biking in Llanrhian?

The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the stunning coastal scenery, the variety of terrain, and the opportunity to combine riding with exploring historic sites and charming villages. The well-maintained paths and diverse options for different skill levels are also frequently highlighted.

Can I find less crowded mountain bike trails around Llanrhian?

While popular routes can see more traffic, especially during peak season, the extensive network of trails means you can often find quieter paths. Exploring some of the less-known rural tracks or riding during off-peak hours (early mornings or weekdays) can help you discover a more secluded experience. The St David's Cathedral – St David's Cathedral loop from St Davids, for instance, offers a journey through rural landscapes that can be less frequented than direct coastal paths.

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