Wales' Hidden Blue Lagoon: A Wild Swimming and Sunset Sanctuary
Nestled discreetly off the rugged coastal path in Pembrokeshire, Wales, lies a breathtaking blue lagoon that serves as an idyllic retreat for wild swimming enthusiasts and sunset admirers alike. This secluded spot, often overshadowed by the nearby bustling beach, provides a tranquil alternative for those seeking a more intimate connection with nature.
A Historic and Picturesque Setting
The lagoon is situated in the small hamlet of Abereiddi, just north of the popular beach area. Its origins trace back to an operational slate quarry run by the St Brides Slate Company until 1910. The remnants of slate within the water are responsible for its striking, luminous blue hue, creating a visually stunning contrast against the surrounding green landscape and dark sandy shores scattered with pebbles.
Perched along the clifftop, visitors can observe crumbling quarry structures, including former workers' cottages, a foreman's home, and an explosives store, adding a layer of historical intrigue to the scenic views.
Adventurous Activities and Essential Precautions
The most sought-after activity at the lagoon involves leaping from a carved-out ledge within the cliff face into the deep, clear waters below. While this offers an exhilarating experience for divers and swimmers, it requires utmost caution due to unstable rocks and slate fragments in the surrounding area. The water is notably cold, so preparedness is key for a safe and enjoyable swim.
Visitor Experiences and Practical Tips
Recent visitors have described the lagoon as a "spectacle" and a "real surprise," praising its breathtaking views and unique setting. Many recommend visiting at dusk to witness stunning sunsets over the water, enhancing the magical atmosphere. To avoid crowds, plan your trip outside of peak tourist seasons and school holidays.
Accessing the lagoon involves a five-minute walk from the car park, traversing a steep and muddy hill. Wearing sturdy, sensible footwear is essential for this trek. Parking is available at Abercastle and Abermawr Woods, with limited spaces, so early arrival is advisable.
Location and Alternative Routes
The lagoon is located at Abereiddy Bay, Pembrokeshire, SA62 6DT. For those coming from St David's, the UK's smallest city known for its magnificent cathedral, it's a straightforward 12-minute drive or a 30-minute cycle ride. Adventurous travelers can opt for a scenic coastal walk from further afield, which takes just under two hours, offering panoramic views along the way.
Whether you're drawn by the thrill of wild swimming, the serenity of sunset views, or the rich history of a former quarry, this hidden blue lagoon in Wales promises an unforgettable escape into nature's beauty.



