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Pentir

Top 5 Gorges around Pentir

Best canyons around Pentir are primarily steep-sided gorges and glacial valleys located within Snowdonia National Park, Wales. This region is characterized by towering mountains, rugged cliffs, and rivers that have carved dramatic landscapes. The area offers a blend of challenging terrain and tranquil natural settings, shaped by powerful geological forces. Pentir's gorges provide opportunities to explore unique rock formations and ancient woodlands.

Best canyons around Pentir

  • The most popular canyons is Devil's Kitchen (Twll Du), a gorge that features…

Last updated: October 3, 2026

Idwal Gorge

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A really quirky canyon taking you into or out of the car park at Cwm Idwal. It is a narrow steep sided little canyon which is very picturesque and only a short walk from the car park.

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Devil's Kitchen (Twll Du)

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The moment you arrive at Devil's Kitchen it is easy to see why the dark crack which splits the rock of Clogwyn y Geifr (Cliff of the Goat) between Y …

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Nant Peris Valley

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Nant Peris valley is a picturesque and enchanting valley located in Snowdonia National Park, Wales. Surrounded by towering mountains and lush greenery, it offers breathtaking natural beauty and a tranquil …

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Cwm Idwal Gorge

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Don't go another way back to the parking place! It's worth it. At first the wonderful view to the valley and than this canyon at the end.

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The Dingle Local Nature Reserve is a 10 hectare (25 acre) wooded valley rich in wildlife and history. It is bisected by the river Cefni, which comes from the Welsh word "cafn" meaning trough or hollow.

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Popular around Pentir

Around the edge in 80 days — cycling the coastline of Britain

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Tips from the Community

Clive G
March 25, 2026, Idwal Gorge

A reminder of when the area was heavily worked, part of the old Slate Level. This is not the Devil's Kitchen, which is high up on Cwm Idwal.

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MCW73
January 9, 2026, Cwm Idwal Gorge

Idwal Gorge is a dramatic, steep-sided ravine located above Llyn Idwal in Eryri (Snowdonia). Known for the Idwal Staircase, it offers a challenging "Grade 2" scramble through mossy, water-worn rock and hidden cascades. In winter, it is a premier destination for ice climbers. Carved by glacial meltwater, this rugged cleft provides a raw encounter with the powerful geological forces that sculpted the iconic Ogwen Valley landscape.

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MCW73
January 9, 2026, Idwal Gorge

Idwal Gorge is a dramatic, steep-sided ravine located above Llyn Idwal in Eryri (Snowdonia). Known for the Idwal Staircase, it offers a challenging "Grade 2" scramble through mossy, water-worn rock and hidden cascades. In winter, it is a premier destination for ice climbers. Carved by glacial meltwater, this rugged cleft provides a raw encounter with the powerful geological forces that sculpted the iconic Ogwen Valley landscape.

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AJ vd Beek
August 11, 2025, Cwm Idwal Gorge

Nice

Translated by Google•

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After the rest stop at Llyn Y Cwn we descend and pass the Devil's Kitchen (Twll Du) again. The descent is as strenuous as the climb. The path, as far as can be seen, is quite steep in places. Then it becomes a matter of paying attention, scrambling and searching for the next section of the path. This is not such an easy part of the route. You have to use your hands and feet to conquer the steepest parts.

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If on road bike's gatorskins can handle the gravel and grit

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Daniel
July 5, 2024, Cwm Idwal Gorge

Don't go another way back to the parking place! It's worth it. At first the wonderful view to the valley and than this canyon at the end.

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Tias
June 26, 2024, Nant Peris Valley

the climb up to pen y pass affords lovely views of Snowdon and crib goch if the weather is right 😎

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Frequently Asked Questions

What kind of canyons can I expect to find around Pentir?

Around Pentir, you'll discover primarily steep-sided gorges and glacial valleys within Snowdonia National Park, Wales. These areas are characterized by towering mountains, rugged cliffs, and rivers that have carved dramatic landscapes, offering unique rock formations and ancient woodlands.

Are there challenging canyon trails for experienced hikers near Pentir?

Yes, for experienced hikers, Devil's Kitchen (Twll Du) offers a challenging experience with steep, rocky terrain requiring the use of hands and feet for ascent. Similarly, Cwm Idwal Gorge presents a dramatic, steep-sided ravine with a challenging scramble through mossy, water-worn rock and hidden cascades.

Are there any family-friendly canyon walks around Pentir?

Yes, The Dingle Local Nature Reserve is an excellent option for families. It's a 10-hectare wooded valley rich in wildlife and history, bisected by the River Cefni, offering a gentle trail through ancient woodland.

What natural features are prominent in the canyons around Pentir?

The canyons around Pentir showcase a variety of natural beauty, including towering mountains, lush greenery, cascading waterfalls, sparkling rivers, and rugged cliffs. Highlights like Nant Peris Valley offer breathtaking views of these features, while Devil's Kitchen (Twll Du) is known for its dark crack splitting the rock and often a plume of steam resembling a chimney.

What outdoor activities can I do near these canyons?

Beyond exploring the gorges, the region around Pentir offers diverse outdoor activities. You can find numerous mountain hikes, as well as road cycling and touring bicycle routes. Rock climbing and mountaineering are also popular in areas like Nant Peris Valley.

Can I find tranquil or less-explored valleys near Pentir?

Yes, Cwm Pen-llafar is a gloriously tranquil valley that takes you deep into the Carneddau mountains. It offers a peaceful setting with the meandering Afon Llafar and the chance to spot semi-wild ponies.

What is the best time to visit the canyons around Pentir?

The region's canyons, particularly those with challenging scrambles like Cwm Idwal Gorge, are best visited outside of winter for hiking, as they can become premier destinations for ice climbers during colder months. Generally, spring to autumn offers more favorable weather for exploring the trails and enjoying the natural beauty.

Are there any historical or cultural aspects to the canyons in Pentir?

Yes, The Dingle Local Nature Reserve, for instance, is a wooded valley rich in history. It was known as Nant y Pandy (Brook of the Fulling Mill) due to an old wool processing plant upstream, and its name 'Dingle' itself refers to a steep wooded valley, reflecting its ancient woodland status.

What do visitors enjoy most about the canyons around Pentir?

Visitors appreciate the dramatic landscapes, the challenging terrain for climbing and scrambling, and the tranquil natural settings. The breathtaking views over lakes from spots like Devil's Kitchen (Twll Du) and the picturesque beauty of valleys like Nant Peris Valley are frequently highlighted.

Can I go rock climbing or mountaineering in the Pentir canyon areas?

Yes, areas like Nant Peris Valley offer opportunities for rock climbing and mountaineering. For more advanced climbers, Cwm Pen-llafar provides rock climbs on the Ysgolion Duon (Black Ladders).

What is the significance of 'Twll Du' in Devil's Kitchen?

The Welsh name for Devil’s Kitchen is Twll Du, meaning ‘black hole’. It earned this name because a plume of steam is often seen rising from a crack in the rock, resembling a chimney. According to folklore, when steam rises, it means the Devil is cooking.

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