Best canyons around Trawsfynydd are characterized by dramatic gorges, which are deep, narrow valleys carved by rivers. This region, situated within Snowdonia National Park, features ancient Atlantic oak woodlands and unique ecosystems. The mild, wet climate fosters rich biodiversity, including numerous species of mosses, liverworts, and lichens. The landscape offers a combination of challenging terrain and natural beauty for exploration.
Last updated: June 30, 2026
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Popular around Trawsfynydd
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Great walk through a variety of tree species and easy to follow path. Would recommend going anti clockwise/reverse of suggested route as scenery coming back through gorge is stunning (with the bridge as a nice suprise at the end) and easier downhill as plenty of small steps. If taking a dog then be aware there is/are sheep grazing along the route but no stiles or fences to climb if you have a large dog but there are very steep banks/drops along the gorge so recommend keeping on a lead if they are a bit hectic! Would not recommend unless you have a basic level of fitness as some parts of the path are extremely steep.
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The reserve at Coed Ganllwyd includes a steep, wooded gorge with tall waterfalls. The main attraction for many is the spectacular Black Falls of Rhaeadr Ddu on the Afon Gamlan. The forest is part of a wider Site of Special Scientific Interest (SSSI) and is part of the Coedydd Derw a Safleoedd Ystlumod Meirion/Merionnydd Oak Woods and Bat Sites Special Area of Conservation (SAC). The wet climate that nourishes the falls also creates the humid conditions in the gorge, making it the richest place for mosses in northwestern Europe. The rocks and tree trunks are decorated with the green and gray growth of these simple plants. The trees largely escaped felling during two world wars and are an excellent example of the ancient oak forest of this part of Wales. (VisitMidWales)
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Waterfall on the Mawddach River (45 km long). This waterfall is known as "Rhaeadr Mawddach".
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Waterfall on the river Gain, known as "Pistyll Gain". Very beautiful to see, even from a distance. The River Gain is a major tributary of the River Mawddach.
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The region around Trawsfynydd features several dramatic gorges. A prominent example is Llenyrch Gorge (Ceunant Llennyrch National Nature Reserve), known for its deep, wooded cliffs and the Rhaeadr Ddu waterfall. Other notable areas include Coed Ganllwyd National Nature Reserve, a rich site for mosses and liverworts with tall waterfalls, and the dramatic wooded gorge of Cynfal Falls.
Yes, while Llenyrch Gorge is primarily known for its walking trails, gorges in Wales are popular for 'gorge walking' or 'gorge scrambling'. This involves navigating mountain streams by walking, scrambling over rocks, swimming through pools, and even climbing waterfalls. Some groups utilize the Afon Prysor and Ceunant Llennyrch gorge for such outdoor pursuits, offering an exhilarating way to experience the natural environment. For more general information on gorge walking in Wales, you can visit Visit Wales.
The gorges around Trawsfynydd are characterized by unique natural features. Llenyrch Gorge, for instance, is a rare Atlantic oak woodland, a remnant of a vast Celtic rainforest, renowned for its rich diversity of mosses, liverworts (over 200 species), and lichens (nearly 250 species). You'll also find spectacular waterfalls like Rhaeadr Ddu and impressive rock formations, such as Huw Llwyd's Pulpit near Cynfal Falls.
Yes, some areas offer family-friendly options. For example, the Afon Gain Gorge on the Minotaur Trail is recommended for everyone, including beginner to intermediate riders, with manicured singletrack and rollable jumps. While some gorge paths can be challenging, many offer waymarked trails suitable for families to explore the woodlands and enjoy the scenery.
The ancient woodlands and humid environment of gorges like Llenyrch Gorge support a healthy bird population, including woodpeckers, common redstarts, and European pied flycatchers. Small mammals like wood mice, otters, and bank voles also inhabit the areas near the rivers. The unique ecosystem is also a haven for a vast array of mosses, liverworts, and lichens.
The mild, wet climate means the gorges are lush year-round. However, spring and autumn offer particularly beautiful scenery with vibrant foliage or blooming flora. Summer provides warmer weather for activities like gorge walking, while the constant rainfall ensures the waterfalls, such as Pistyll Gain and Rhaeadr Ddu, are always impressive.
Yes, the region offers numerous hiking opportunities. You can find trails that wind through lush woods and along the gorges. For more extensive hiking, explore routes like the Rhinog Fawr and Bwlch Drws Ardudwy loop or the Northern Rhinogs Loop. You can find more details on these and other hiking routes in the Hiking around Trawsfynydd guide.
Beyond exploring the gorges, the Trawsfynydd area is excellent for various outdoor activities. Mountain biking is popular, with trails like the Beast of Brenin Trail or the Llyn Trawsfynydd loop. Gravel biking is also an option, with routes such as the Penmaenpool Toll Bridge loop. For more information, check out the MTB Trails around Trawsfynydd and Gravel biking around Trawsfynydd guides.
Visitors frequently praise the stunning natural beauty, the dramatic landscapes, and the immersive 'rainforest' atmosphere of the ancient oak woodlands. The impressive cascades of waterfalls like Pistyll Gain and the rich biodiversity, particularly the mosses and lichens, are often highlighted. The peaceful and mystical feel of places like Coed Ganllwyd National Nature Reserve also receives high acclaim.
Yes, many gorges offer spectacular viewpoints. Within Llenyrch Gorge, you can find breathtaking views, including glimpses of Snowdon to the north and the rugged Rhinog mountains to the south. The path through the gorge at Parc Cenedlaethol Eryri also offers stunning scenery, especially when returning through the gorge.
While the primary focus of the gorges is often walking and exploration, some areas, particularly near waterfalls, may offer opportunities for wild swimming. Pistyll Gain (Rhaeadr Mawddach) Waterfall is noted as a potential swim spot. Always exercise caution and check local conditions and regulations before entering the water.


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