Pen y Garreg Dam is the middle of the Victorian dams in the Elan Valley in Powys, built to send water to Birmingham, holding back its reservoir among steep forested hills near Rhayader. It is a curved stone dam with a domed valve tower rising out of the water in front of it, and when the reservoir i...
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Parking nearby
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Food Spots nearby
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Staycations nearby
Parking:
Food:
Staycations:
2 day, 8 overnight
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FAQ's/Things to Know
Where is Pen y Garreg Dam?
Powys contains this historic civil engineering site in Mid Wales. Travellers find it amongst the wild, open hillsides of the region.
What type of place is Pen y Garreg Dam?
Pen y Garreg Dam is a Victorian dam in Powys in Mid Wales.
When is the best time to visit Pen y Garreg Dam?
Spring through to autumn provides the most reliable weather for walking along the reservoir. Dry summer months also offer a great chance to view the submerged ruins of old valley buildings when water levels drop.
What can you do at Pen y Garreg Dam?
Walking through the thick stone access tunnel allows you to experience the vibrations from the rushing water. Visitors also enjoy taking photographs of the central octagonal valve tower from the stone parapet.
How long should I spend at Pen y Garreg Dam?
Allocating roughly an hour gives you enough time to explore the main structure and admire the valley views. Keen walkers often stay longer to complete a moderate loop around the reservoir network.
Where do I park at Pen y Garreg Dam?
Space for ten vehicles exists near the site, providing two day and eight overnight parking spots. Full details are available on the UK Hidden Gems app.
Where can I eat near Pen y Garreg Dam?
There are no food spots recorded immediately near Pen y Garreg Dam, check the UK Hidden Gems app for the nearest options.
Where can I stay near Pen y Garreg Dam?
There are no staycation spots recorded immediately near Pen y Garreg Dam, check the UK Hidden Gems app for the nearest options.
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Last Updated:
02 July 2026
