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Hikes around Mynachlog-Ddu explore the Preseli Hills, an area of rolling moorland within the Pembrokeshire Coast National Park. The landscape is characterized by open hillsides, ancient trackways, and numerous prehistoric sites, including stone circles and burial chambers. The terrain consists of a mix of grassy paths and boggy sections, with routes crossing Ordovician shale and mudstone formations.
Last updated: May 3, 2026
5.0
(6)
25
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
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34
hikers
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.

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5.0
(1)
8
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(8)
37
hikers
9.20km
02:40
230m
230m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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This pretty little chapel stands near the village of Mynachlog-ddu on the fringes of the Preseli Hills. From here, you could hike to Carn Menyn, Carn Siàn, Foel Drygarn and Foel Dyrch.
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Foel Dyrch is a nice walk with good footpaths in the main. There is also parking on the A478, and it’s a decent 6-kilometre walk up to its summit and back. The summit is unmarked, but there is a stone sheepfold nearby. You have nice views out towards the coastline and eastwards, over the Preseli Mountains.
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Please wear appropriate footwear as this area is extremely BOGGY.
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Foel Dyrch tops out at 368m. It's one of the least visited of the Preselis. It's slopes are marked by numerous quarries.
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Rock/stone formation in the Preselis. Makes a circular route to go along here up to Bedd Arthur
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Spectacular views, well worth the trip.
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An eastern hill and Trig Point in the Preseli range. It is a superb little hill to do as part of a long day or on its own. Foel Drygarn is also an Iron Age hillfort, within which are three Bronze Age burial cairns. The site is about 1.5 miles west of the village of Crymych in Pembrokeshire, Wales. It is a scheduled monument. Great views from the top of it.
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Yes, many trails in the Preseli Hills are great for walking with dogs. The open moorland provides plenty of space. However, this is a farming area with livestock, so you should keep your dog on a lead, especially during lambing season. Also, be mindful of boggy terrain on some routes.
Absolutely. Most of the popular routes in the area are designed as loops, allowing you to start and finish in the same place without retracing your steps. A good example is the Foel Drygarn / Carn Menyn walk, which offers a moderate circular route through the heart of the hills.
Yes, while the Preseli Hills are known for their rugged terrain, there are easier options suitable for families. The area around Gors Fawr Stone Circle offers relatively flat ground for a shorter walk with a historical focus. For a woodland walk that is popular with families and dog walkers, you could also consider visiting Coed Canaston Wood, a short drive away.
Many hikes in the Preseli Hills pass by significant prehistoric sites. The area is famous for its Neolithic and Bronze Age monuments. For a route that specifically includes a stone circle, consider the Carn Gyfrwy – Bedd Arthur Stone Circle loop from Blaen Llethr. This walk takes you directly to the intriguing Bedd Arthur stone setting.
Parking is typically available in small, designated car parks or lay-bys near the main trailheads. For example, there is parking near the start of the path up to Foel Cwmcerwyn from Rosebush. It's best to arrive early on sunny days and weekends as these spots can fill up quickly. Always park considerately and do not block farm gates.
Sturdy, waterproof hiking boots are essential as the terrain can be very boggy and uneven, even in summer. The weather can change rapidly on the hills, so waterproof and windproof layers are a must. It's also wise to carry a map and compass or a fully charged phone with a GPS app, as visibility can drop quickly in mist.
They offer very different experiences. The Preseli Hills provide wild, open moorland hiking with rolling hills, panoramic inland views, and a sense of remoteness. The Pembrokeshire Coast Path, in contrast, features dramatic sea cliffs, sandy coves, and constant coastal views, often with steep ascents and descents.
Yes, the Golden Road is an ancient 7-mile trackway that runs along the main ridge of the Preseli Hills. While not a multi-day trek in itself, it forms a key part of longer walking routes through Pembrokeshire and offers a fantastic day of ridge walking with extensive views.
The terrain is a mix of grassy paths, open moorland, and rocky outcrops. You should be prepared for boggy and wet sections, particularly after rain, as the ground is peaty and holds water. The trails involve gradual ascents up the rolling hills rather than sharp, steep climbs.
The area is highly rated by the komoot community. Reviewers often praise the immense sense of history, the wide-open spaces, and the stunning panoramic views from the hilltops. The combination of wild, natural beauty and fascinating prehistoric sites like stone circles and burial cairns is a recurring highlight.
The Foel Dyrch — Parc Cenedlaethol Arfordir Penfro / Pembrokeshire Coast National Park route is a moderate hike of about 7.7 miles (12.4 km). It involves around 270 meters of elevation gain, taking you across rolling hills and open moorland. It requires a reasonable level of fitness due to its length and some uneven ground.
The Preseli Hills are the source of the famous 'bluestones' (spotted dolerite) used in the inner circle of Stonehenge. Hiking in this area, particularly around Carn Menyn, means you are walking through the very landscape from which these huge stones were quarried and transported over 180 miles around 3000 BC.


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