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The Stack Rocks are one of the most photographed landmarks in Pembrokeshire and it’s easy to see why. These natural limestone pillars sit on one of the most interesting parts of the Wales Coastal Path with easy access alongside the Green Bridge of Wales and the Devil’s Cauldron.

In this guide, I’ll explain exactly what Stack Rocks are and how you can plan your own trip to see them as I did.

What Are Stack Rocks?

Stack Rocks (also known as Elegug Stacks) are two isolated pillars of limestone that have become isolated from the cliffside just off the coast of Pembrokeshire.

Originally, they would have been part of a headland but wave erosion would have caused two caves on either side of the cliff. These caves would have become deeper until they broke through leaving just an arch, much like the neighbouring Green Bridge of Wales.

With continued erosion from the sea and storms, the bridge eventually collapsed, leaving the stacks you can see today. This is the final stage of cliff disintegration and these will continue to be worn away by the sea until there are no visible signs of the headland that once stood here1 (source: A.S. Goudie and R. Gardner, Discovering Landscape in England & Wales, 2013).

How To Visit Stack Rocks

To visit Stack Rocks, follow Ermigate lane from the village of Warren in Pembrokeshire.

There is free parking called Stack Rocks car park. From here, Stack Rocks is just 200m walking along a well-trodden path so takes just 2-3 minutes. The path is made up of short grass, it is reasonably accessible for wheelchairs and pushchairs.

If you’re visiting Stack Rocks by public transport, take the Pembrokeshire Coastal Cruiser (line 387 or 388) which runs from Pembroke twice per day. The services are less frequent during the off-season (October to May) so be sure to check the latest timetables here.

Entrance Fee

There is no cost to visit Stack Rocks.

Stack Rocks Opening Hours

Stack Rocks is a natural landmark, it’s open 24 hours per day, 7 days per week. Of course, it’s not lit up so you’ll want to visit before dusk.

Note: Stack Rocks sit on the Castlemartin Firing Range so access may be prohibited during firing practice. This is rare but you can check for potential closures here.

Facilities at Stack Rocks

During the peak tourist season, there is usually a food truck or ice cream van in the car park selling drinks and snacks. There is one picnic bench near the car park too. Other than this, there are no facilities at Stack Rocks. The nearest toilets are in Bosherton.

Where To Park For Stack Rocks

Parking for Stack Rocks is at Stack Rocks car park. This is a large, free car park that’s open 24 hours per day, 7 days per week. Here is the location of the car park:

Facts About Stack Rocks

  1. Stack Rocks used to be arches like the Green Bridge of Wales, but storms caused the arches to collapse, leaving only the pillars.
  2. The stacks are popular with nesting seabirds such as guillemots, razorbills, fulmar and kittiwake which can all be seen during breeding season. Year-round you can also see herring and black-backed gulls at the site.
  3. They are also known as Elegug Stacks. Elegug is Welsh for Guillemot which is why Stack Rocks are also known as Elegug Stacks.
  4. Stack Rocks are part of the Castlemartin Range Site of Special Scientific Interest (SSSI) as well as the Limestone Coast of South West Wales Special Area of Conservation (SAC) due to their rich geological and fossil heritage, vegetation, and special species (such as the Greater horseshoe bat).

Stack Rocks to St Govan’s Walk

A popular walk from Stack Rocks is along the coastal path to another landmark, St Govan’s Chapel.

The walk is along an easy-to-follow path with a total distance of 6.3 miles (10.1 km) there and back. However, if you plan accordingly, you could take the Pembrokeshire Coastal Cruiser back to Stack Rocks after. See the full timetables here.

Find out more about the walk with a downloadable PDF here.

Other Things To See Near Stack Rocks

Visiting this section of the Wales Coastal Path is easily one of my top things to do in West Wales with tons of great natural and manmade landmarks. Here are some others to check out near Stack Rocks.

  • Green Bridge of Wales – On the way to Stack Rocks from the car park, you’ll walk by the Green Bridge of Wales. This is a natural arch formed by coastal erosion. One day the arch will collapse and it will look like Stack Rocks.
  • The Devil’s Cauldron – Just past Stack Rocks from the car park is The Devil’s Cauldron, a large enclosed shaft in the land that goes down to the ocean. This would have been formed when caves under the surface collapsed.
  • St Govan’s Chapel – Located a little further along the coastal path, this is a tiny stone chapel built into the cliffside. Find out about why it’s there in my dedicated guide to St Govan’s Chapel.
  • The Huntsman’s Leap – Near the chapel is a large fissure in the land caused by coastal erosion. Its name comes from a local legend, find out more here.

Kieren is the founder and editor-in-chief of Wales Guidebook. Originally from rural Mid-Wales, he has lived all over the country from Cardiff to Wrexham. A true Welshman, Kieren created this site to share his passion for Wales and help others discover this beautiful country.