Waterfalls around Llanfrothen are situated in Gwynedd, a county within Snowdonia National Park, an area known for its diverse natural landscapes. While there are no prominent named waterfalls directly within Llanfrothen village, the location provides access to several notable waterfalls in the wider Gwynedd region. The area features a blend of natural beauty and historical industrial heritage, particularly slate mining. Visitors can explore various cascades and rapids often found near old quarry workings and ruins.
Last updated: July 3, 2026
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📖 Rhaeadr y Chwarel is A picturesque mountain waterfall tucked into the lower section of Cwm Llan, near the old slate quarry workings on the southern flanks of Snowdon. The name literally means “Quarry Waterfall,” a nod to the mining history of the area, you can still see traces of old quarry buildings, walls, and inclines nearby. 👥 Feels remote and peaceful. Take in the surroundings before tackling the steeper, rockier terrain above and the crowds at the summit of Snowdon. 🚗 From Rhy-Ddu car park, c. 2.8 miles. ☕ A perfect spot to stop for a brew as it is sheltered. ⚠️ Access is along the well-trodden quarry approach path, so you don’t need scrambling skills. (Unless you walk further up the path to the top of Snowdon) To sum up: Rhaeadr y Chwarel is one of those small but memorable landmarks on Snowdon’s southern approaches. It’s not a massive waterfall, but its mix of natural beauty and industrial heritage makes it stand out. A perfect spot to pause before the serious climbing begins.
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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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The waterfall of the quarry!🏴
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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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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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While Llanfrothen village itself doesn't have prominent named waterfalls, the surrounding Gwynedd region, within Snowdonia National Park, offers several spectacular options. Notable waterfalls include Plas Cwm Llan Ruins and Waterfalls, Rhosydd Quarry — Ruins and Waterfall, and Rhaeadr y Chwarel (Quarry Waterfall), all of which blend natural beauty with historical industrial heritage. Further afield, Aber Falls (Rhaeadr Fawr) is a powerful 37-meter cascade, and Rhaeadr Ddu (Black Falls) offers a beautiful series of falls in woodland.
Yes, several waterfalls in the area are suitable for families. Rhaeadr Ddu (Black Falls) near Ganllwyd offers mostly flat, waymarked routes through woodlands, making it very accessible. Aber Falls also has a well-marked trail suitable for all ages. For those seeking a blend of nature and history, the walks to Plas Cwm Llan Ruins and Waterfalls and Rhosydd Quarry — Ruins and Waterfall can be enjoyed by families, offering interesting sights beyond just the cascades.
The waterfalls are particularly impressive after heavy rainfall, which can occur at any time of year in Snowdonia. Spring and autumn often provide lush scenery and good water flow. Summer offers generally milder weather for walking, while winter can present dramatic, icy scenes, though trails may be more challenging. Always check local weather conditions before your visit.
Absolutely. The Llanfrothen area is rich in both. Plas Cwm Llan Ruins and Waterfalls features cascades alongside remnants of copper mines and slate quarries. Similarly, Rhosydd Quarry — Ruins and Waterfall is a poignant site where a waterfall tumbles amidst the vestiges of a major slate mining operation. Rhaeadr y Chwarel (Quarry Waterfall) also sits near old slate quarry workings, offering a mix of natural beauty and industrial heritage.
Many of the trails leading to waterfalls in Snowdonia National Park are dog-friendly, provided dogs are kept under control, especially around livestock. Rhaeadr Ddu and Aber Falls are popular choices for dog walkers. The routes to Plas Cwm Llan Ruins and Waterfalls and Rhosydd Quarry — Ruins and Waterfall are also generally suitable for dogs.
The area around Llanfrothen and its waterfalls is ideal for various outdoor activities. You can find numerous hiking trails, ranging from easy strolls to challenging mountain ascents. For example, there are several hiking routes around Llanfrothen, including ascents to Cnicht and Moelwyn Bach. Mountain biking and road cycling are also popular, with routes like the 'Beddgelert Stone Bridge – Rhyd Ddu railway crossing loop' for MTB and 'The Cob Causeway – Porthmadog Harbour loop' for road cycling. You can explore more options on the Hiking around Llanfrothen, MTB Trails around Llanfrothen, and Road Cycling Routes around Llanfrothen guide pages.
Parking is generally available near the more popular waterfall attractions. For instance, Aber Falls has dedicated parking, including free options. Rhaeadr Ddu has a conveniently located car park right on the A470. For other locations like Plas Cwm Llan Ruins and Waterfalls or Rhosydd Quarry — Ruins and Waterfall, parking might be at trailheads or designated lay-bys, often requiring a short walk to the falls.
Yes, Merlin's Pool is a highlight with strong mythical connections. This sacred site is associated with the Welsh Wizard Merlin and the legend of King Arthur, making it a place of pilgrimage for those interested in folklore. It includes a special waterfall as part of the experience.
Given the often wet and uneven terrain, waterproof hiking boots with good grip are essential. Layered clothing is recommended as weather can change quickly in Snowdonia. A waterproof jacket and trousers are advisable, especially after rain or if you plan to get close to the cascades. Bringing a hat, gloves, and plenty of water is also a good idea.
While direct public transport to every waterfall might be limited, local bus services connect Llanfrothen to larger towns like Porthmadog or Beddgelert, from where you might find connections or shorter walks to some waterfall access points. For example, to reach the area around Merlin's Pool, you can take public transport to Beddgelert and then follow the walking route from there. Planning your journey in advance is recommended.
Visitors frequently appreciate the unique combination of natural beauty and historical context. Many highlights, such as Plas Cwm Llan Ruins and Waterfalls and Rhosydd Quarry — Ruins and Waterfall, offer a glimpse into the region's slate mining heritage alongside stunning cascades. The peaceful, remote feeling of places like Rhaeadr y Chwarel (Quarry Waterfall), and the opportunity for a break or picnic by the water, are also highly valued.
Yes, the Watkin Path Waterfalls and Bridge are located on one of the six main routes to the summit of Yr Wyddfa (Snowdon). This path is considered challenging and strenuous, ascending steeply from near sea level. The initial part of the Watkin Path, which includes these waterfalls, offers a gradual ascent and beautiful views before the more difficult sections towards the summit.


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