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Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Pembrokeshire
Mynachlog-Ddu

Preseli Hills Loop

Moderate

4.0

(6)

25

riders

Preseli Hills Loop

02:04

26.0km

440m

Mountain biking

Embark on the Preseli Hills Loop, a moderate mountain biking route that takes you through classic Welsh landscapes. You'll navigate treeless, open hills, wooded valleys, and rocky tors, experiencing a wild and historically rich journey. The 16.2-mile (26.0 km) trail involves a significant climb of 1444 feet (440 metres), offering…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Pembrokeshire Coast National Park

Waypoints

A

Start point

Parking

Get Directions

1

928 m

Waun Mawn Standing Stones

Highlight • Monument

Waun Mawn (Welsh for "Peat moor") is the location of a possible dismantled Neolithic stone circle. The diameter of the circle is suggested to be 110m. This would make it Britains third largest stone circle.

Tip by

2

10.5 km

Preseli Hilltops Bridleway

Highlight (Segment) • Viewpoint

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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B

26.0 km

End point

Parking

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Way Types & Surfaces

Way Types

14.5 km

9.00 km

2.19 km

301 m

Surfaces

14.5 km

4.59 km

3.77 km

3.11 km

< 100 m

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Elevation

Elevation

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Weather

Powered by Foreca

Tuesday 19 May

15°C

9°C

21 %

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Max wind speed: 30.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Preseli Hills loop for mountain biking?

The Preseli Hills loop is generally rated as moderate in overall difficulty. It's best suited for experienced riders with good fitness and advanced riding skills, as some sections feature rocky descents and punishing climbs. Be prepared for potentially boggy conditions during wet weather, which can significantly increase the challenge.

What is the terrain like on the Preseli Hills loop?

The terrain is varied, primarily consisting of bridleways across natural moorland landscapes and forestry tracks. You'll encounter a mix of gentle gravel climbs, rocky descents, and smooth, undulating grassy sections. A notable part is "The Golden Road," an 11km bridleway with high-level grassy singletrack. However, some areas can become boggy and challenging, especially on ascents during wet weather. Expect sections with challenging ruts and steep climbs.

What notable landmarks or viewpoints can I expect to see on the Preseli Hills loop?

The loop offers classic Welsh landscapes with open hills, wooded valleys, and megalithic monuments. You'll pass historical artifacts like standing stones and ancient burial chambers. Key highlights include the Waun Mawn Standing Stones and the Preseli Hilltops Bridleway, which provides panoramic views across Cardigan Bay. On clear days, you might even see Snowdonia and Ireland's Wicklow Hills. Look out for Carn Menyn, believed to be the source of Stonehenge's bluestones, and Foel Drygarn, an Iron Age hill fort.

What is the best time of year to mountain bike the Preseli Hills loop?

The Preseli Hills loop is best enjoyed during drier months, typically from late spring to early autumn. During wet weather, many sections, particularly on ascents, can become very boggy and challenging, making the ride significantly harder. Clear days offer the best panoramic views.

Where can I park to access the Preseli Hills loop?

Specific parking information for the Preseli Hills loop can vary depending on your chosen starting point. It's advisable to check local Pembrokeshire Coast National Park resources or detailed guidebooks for designated parking areas near trailheads. As the area is remote, planning your parking in advance is recommended.

Do I need any permits or pay an entrance fee to mountain bike in the Pembrokeshire Coast National Park?

Generally, you do not need a specific permit or to pay an entrance fee to mountain bike on public bridleways within the Pembrokeshire Coast National Park. However, always ensure you stick to designated bridleways and public rights of way. For any specific regulations or updates, it's best to consult the official Pembrokeshire Coast National Park website at pembrokeshire.gov.uk.

Is the Preseli Hills loop dog-friendly?

Yes, dogs are generally allowed on the Preseli Hills loop, provided they are kept under close control, preferably on a leash, especially around livestock and ground-nesting birds. Always follow the Countryside Code, clean up after your dog, and respect other trail users.

Does the Preseli Hills loop intersect with other trails?

Yes, the route intersects with sections of the National Cycle Network Route 47 for approximately 51% of its length, offering connections to other cycling paths in the area.

Are there any specific challenges or tips for riding the Preseli Hills loop?

Be prepared for challenging conditions, especially after rain, as sections can become very boggy and difficult to climb. While the area offers a wild and remote feel, navigation can be tricky due to less-defined trails; a guidebook or GPS is highly recommended. If you're concerned about the steep, muddy ascents, an e-bike can significantly help mitigate the difficulty.

What should I bring for a mountain bike ride on the Preseli Hills loop?

Given the remote nature and varied terrain, it's essential to be self-sufficient. Bring plenty of water, snacks, a repair kit (including spare tubes/puncture repair), appropriate clothing for changing weather conditions (waterproofs are a good idea), a first-aid kit, and a fully charged phone. A GPS device or a detailed map is crucial for navigation.

Is the Preseli Hills loop suitable for families with children?

Due to its moderate difficulty, varied and sometimes challenging terrain (rocky descents, punishing climbs, potential bogs), and remote nature, the Preseli Hills loop is generally not recommended for families with young children or beginner riders. More experienced and fit teenage riders might enjoy it, but it's best suited for adults with advanced mountain biking skills.

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