Best waterfalls around Maentwrog are found in a charming village in the Vale of Ffestiniog, surrounded by natural beauty. This area features diverse waterfalls, from cascades nestled beside industrial ruins to falls hidden within ancient woodlands. The landscape offers spectacular views across Snowdonia National Park, blending natural features with historical significance. The region is characterized by its ancient oak woodlands and rivers, providing varied experiences for visitors.
Last updated: May 6, 2026
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The long abandoned Barracks and Mill buildings of Rhosydd Quarry in the Moelwyn mountains of North Wales on a changeable day last September. A break in the heavy cloud allowed a burst of sunlight through that lit up the shiny slate rubble to make it look a bit like water. The dark buildings stood out against the lower slopes of Foel Ddu.
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The spartan barracks at Rhosydd, a hard place to live and work, not far from the summit of a mountain.
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Slate was mined here above and below ground from about 1830. The remote location proved difficult, and a series of financial troubles hampered the quarry. It shut during WW1 and reopened afterwards until finally closing in 1948. At it's peak, this was the second-largest underground slate mine in North Wales. Today you can explore the spoil and some of the old machinery.
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Impressive, the many building ruins and the huge waste heaps
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This remote and ethereal ancient oak woodland was once part of a historic estate and slopes gently towards Llyn Mair (Mary's Lake). A network of trails offers spectacular views across Snowdonia National Park, while steam trains from the iconic Ffestiniog Railway wind along the border. With rare wildlife and an abundance of beautiful flora, Coed Hafod y Llyn is the perfect forest destination for train enthusiasts and nature lovers. (Woodland Trust)
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Merlin played a role in the legend surrounding the construction of a fortress that the king named Dinas Emrys in honor of Myrddin Emrys (= the young Merlin). more information about this legend can be found at https://medievalwanderings.com/2023/06/12/walking-with-dragons-at-dinas-emrys/
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Maentwrog offers a diverse range of waterfall experiences. You can discover cascades nestled beside industrial ruins, such as Plas Cwm Llan Ruins and Waterfalls and Rhosydd Quarry — Ruins and Waterfall, which blend natural beauty with the area's rich slate mining history. There are also falls hidden within ancient woodlands, like those in Ceunant Llennyrch Nature Reserve and Waterfall in Coed Hafod-y-Llyn.
Yes, for the adventurous, Rhaeadr Du (The Black Falls), located about a mile from Maentwrog on the River Velen Rhydr, has a crystal-clear plunge pool at its base, perfect for wild swimming on warmer days. The waterfalls and rapids at Plas Cwm Llan Ruins and Waterfalls also offer a spot for a dip in the very cold water.
Yes, Waterfall in Coed Hafod-y-Llyn is situated within an ancient oak woodland and is categorized as family-friendly. The area offers trails with views of Snowdonia and is perfect for nature lovers.
The waterfalls at Plas Cwm Llan Ruins and Waterfalls are set amidst the remains of former copper mines and slate quarries. Similarly, Rhosydd Quarry — Ruins and Waterfall is a poignant vestige of the area’s slate mining heritage, where you can explore spoil and old machinery alongside the cascade.
Yes, Merlin's Pool is a natural monument associated with the legend of Merlin and is considered a sacred place of pilgrimage for those interested in the King Arthur legend. It includes a special waterfall.
The waterfalls are beautiful year-round. After heavy rain, they are often at their most powerful and dramatic. Spring and autumn offer vibrant foliage, while summer is ideal for wild swimming. Always check local conditions before your visit.
The Watkin Path Waterfalls are found along the initial, gradually ascending part of the Watkin Path, which is a well-known and challenging trail in Snowdonia National Park. The path itself is classified as a hard, strenuous route, requiring a good level of fitness and navigation skills to reach the summit of Yr Wyddfa.
Beyond waterfall exploration, the Maentwrog area offers a variety of outdoor activities. You can find numerous mountain hikes, including challenging routes like the Watkin Path. There are also many road cycling routes and MTB trails for different skill levels.
Yes, the area around Maentwrog features several pleasant walks along the River Dwyryd, where other picturesque waterfalls can be discovered tucked away off the main paths. Llyn y Gwynryn is another waterfall situated near Maentwrog on the River Velen Rhydr, alongside Rhaeadr Du.
The waterfalls are set within a landscape of ancient oak woodlands and crystal-clear streams. Areas like Ceunant Llennyrch Nature Reserve offer an ethereal atmosphere with rare wildlife and abundant flora, providing spectacular views across Snowdonia National Park.
Yes, the ancient oak woodlands of Ceunant Llennyrch Nature Reserve and Coed Hafod-y-Llyn offer spectacular views across Snowdonia National Park while you explore their waterfalls and trails.


Happy to travel a little further afield? Then browse these guides for the best waterfalls around Maentwrog: