Discovering the Elan Valley

Local guide · Discovering the Elan Valley

First published 2023-08-14 · Accommodation details updated 29 September 2026.

Nestled in the heart of Wales, the Elan Valley is a picturesque landscape of rolling hills, verdant valleys, and a series of magnificent reservoirs and dams. This stunning expanse of natural beauty is not just a haven for nature enthusiasts, but also a testament to engineering marvels from a century ago. If you're contemplating a trip to the heart of Wales, here's why the Elan Valley should top your list.

The Reservoirs and Dams

The Elan Valley boasts a series of reservoirs, including the Claerwen, Craig-goch, Pen-y-garreg, Garreg-ddu, and Caban-coch. These reservoirs serve a crucial purpose: providing water to the city of Birmingham. However, their scenic beauty has made them a popular destination for both tourists and locals.

Craig-goch Dam: Often referred to as the "top dam," this is the highest upstream of the series of dams. The tiered structure gives a unique aesthetic appeal, especially when the dam overflows.

Pen-y-garreg Dam: Somewhat hidden compared to the others, it's often termed the 'middle dam'. It holds a secretive past, having a submerged "lost village" beneath its waters.

Garreg-ddu Dam: This dam, unlike the others, is entirely submerged and serves the purpose of ensuring a continuous supply of water.

Caban-coch Dam: The most robust and straightforward dam, it is the first one visitors encounter on entering the valley.

Claerwen Dam: Built after the initial four, this dam has a massive reservoir, and the construction techniques were similar to the previous ones, despite being built in the 1950s.

A Dive into History

The reservoirs have a captivating history that goes beyond their picturesque appearance. They were created primarily to address Birmingham's increasing water demand in the late 19th century. The project, initiated in 1892, was monumental for its time, involving the relocation of local residents and the submergence of their homes and farms. A testament to Victorian engineering, the Elan Valley dams were built using the labor of over a thousand workers.

The Valley's Rich Biodiversity

Nature enthusiasts, rejoice! The Elan Valley is a designated International Dark Sky Park, ensuring stellar stargazing opportunities. Furthermore, its diverse habitats, from moorlands to grasslands, support a plethora of wildlife, including red kites, otters, and a range of butterfly species.

Wrapping Up

The Elan Valley isn't just a destination; it's an experience. Whether you're a history buff, nature enthusiast, or someone seeking solace, the lakes, dams, and valleys offer something for everyone. As you plan your visit, immerse yourself in the rich history, marvel at the engineering feats, and lose yourself in the valley's tranquillity.

If you're looking for holiday accommodation in mid Wales that is perfectly located to enjoy the Elan Valley and offers unrivalled valley views, style and comfort then check out 'Wales In The Woods' here, where on offer there is luxury glamping pods, a cosy cottage, and a barn included with 6 acres of private grounds for group accommodation to enjoy a secluded holiday.

Make a holiday of it with group accommodation near Rhayader and the Elan Valley, a dog-friendly cottage in Mid Wales or woodland glamping pods. See our local guide and booking and availability options.