Highlight • Structure
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The Eigiau Dam Ruins are the poignant remains of a former dam nestled in a glaciated valley on the edge of the majestic Carneddau mountain range in Snowdonia, North Wales. Situated near the serene Llyn Eigiau and the village of Dolgarrog in the Conwy Valley, this historical site stands at an elevation of approximately 390 metres. It is a powerful reminder of both human engineering and a significant industrial tragedy, offering a unique blend of natural beauty and historical reflection…
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November 30, 2020
Hiking
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4.8
(8)
43
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15.3km
05:03
700m
700m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(7)
64
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16.9km
06:00
940m
940m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.2
(5)
33
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13.4km
04:04
390m
390m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Elevation 390 m
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The Eigiau Dam Ruins are a poignant reminder of the 1925 Dolgarrog Dam Disaster. The original dam, built in 1911, failed after heavy rains, releasing a torrent of water that overwhelmed the downstream Coedty Reservoir. This catastrophic event caused widespread destruction in the village of Dolgarrog, claiming 16 lives. The disaster led to a parliamentary investigation and the implementation of the Reservoirs (Safety Provisions) Act in 1930, making the site historically significant for its impact on UK reservoir safety regulations.
Yes, there is a memorial walk created in 2004 that guides visitors along the flood's path. This route traces the story of destruction and recovery, featuring massive boulders, some weighing up to 200 tonnes, that were swept into Dolgarrog by the floodwaters. It offers a powerful and immersive experience of the disaster's scale.
The terrain around the Eigiau Dam Ruins and Llyn Eigiau is generally rugged and can be challenging. Hikers should expect uneven paths, rocky sections, and potentially boggy ground, especially after rain. Appropriate footwear is essential for navigating these conditions.
Winter hiking to the Eigiau Dam Ruins is possible but requires careful planning and appropriate gear. The area can experience harsh weather conditions, including snow, ice, and strong winds. Paths may become slippery or obscured. It's crucial to check the weather forecast, have experience with winter mountain conditions, and carry suitable equipment like waterproof clothing, warm layers, and potentially microspikes or crampons.
While the immediate area around the ruins can be rugged, there are routes that can be adapted for families. Shorter, less strenuous walks around Llyn Eigiau itself might be suitable for families with older children. However, due to the exposed nature and potentially challenging terrain, it's advisable to assess the route difficulty and weather conditions carefully before setting out with young children.
Yes, dogs are generally welcome on the trails to Eigiau Dam Ruins. However, as it's a rural, mountainous area, it's essential to keep dogs under close control, especially around livestock which may be grazing freely. Always follow the Countryside Code, pick up after your dog, and ensure they are well-behaved around other hikers and wildlife.
Parking is typically available at designated spots near the trailheads leading to the Eigiau Dam Ruins. One common starting point is near the end of the public road leading from Tal-y-bont towards Llyn Eigiau. Parking can be limited, especially during peak seasons or on weekends, so arriving early is often recommended to secure a spot.
The Eigiau Dam Ruins are located in a remote part of Snowdonia, so there are no direct amenities like cafes or pubs at the site itself. Visitors should plan to be self-sufficient, carrying all necessary food and drink. The nearest villages with facilities, such as Dolgarrog or Tal-y-bont, are a drive away.
The area around Llyn Eigiau and the Carneddau mountains is home to various wildlife. You might spot mountain birds such as ravens, buzzards, and peregrine falcons. The lake itself is known to contain brown trout and potentially Arctic char. Wild ponies are also a notable feature of the Carneddau range, often seen grazing on the hillsides.
The duration of a hike to the Eigiau Dam Ruins varies significantly depending on your starting point, chosen route, and fitness level. A common loop from the parking area near Llyn Eigiau can take anywhere from 3 to 5 hours, covering several miles over rugged terrain. Longer routes from villages like Dolgarrog or Tal-y-bont would naturally take considerably more time.
Due to the rugged and uneven terrain of the Carneddau mountains, there are no specifically accessible routes suitable for wheelchairs or visitors with very limited mobility directly to the Eigiau Dam Ruins. The paths are generally unpaved and can be steep or rocky. Visitors requiring accessible options may find better alternatives in other parts of Snowdonia National Park.