Highlight • Gorge
Hiking
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(130)
Devil's Kitchen, known locally by its evocative Welsh name Twll Du, meaning "black hole," is a dramatic geological feature nestled within the stunning Cwm Idwal in the Ogwen Valley, part of Snowdonia National Park in North Wales. Situated at an elevation of approximately 654 meters, this striking gorge lies behind Llyn Idwal, positioned between the prominent mountains of Y Garn and Glyder Fawr. Its most notable characteristic is a dark, chimney-like fissure that splits the rock face of Clogwyn y…
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Gwarchodfa Natur Genedlaethol Cwm Idwal
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July 1, 2025
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November 7, 2018
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May 20, 2021
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Nearby routes
Best routes near Devil's Kitchen (Twll Du)
4.8
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915
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.9
(99)
561
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.8
(79)
612
hikers
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Details
Informations
Elevation 650 m
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Thursday 12 March
11°C
5°C
98 %
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Max wind speed: 42.0 km/h
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The hike to Devil's Kitchen (Twll Du) is generally rated as challenging. Hikers should be prepared for steep, rocky terrain that often requires scrambling and using hands and feet to navigate. Both the ascent and descent demand careful footing and a good level of fitness. It's not a casual stroll but a rewarding mountain experience.
The duration of the hike to Devil's Kitchen (Twll Du) can vary significantly depending on your starting point, pace, and whether you extend your route to include other peaks like Glyder Fawr or Y Garn. A direct return trip from the Ogwen Valley car park, focusing solely on reaching the gorge, might take 3-5 hours. However, incorporating it into a longer circular route or summiting nearby mountains will extend this considerably.
While the direct ascent to Devil's Kitchen is challenging, there are easier options nearby. A popular and less strenuous alternative is a walk around Llyn Idwal. This circular path offers stunning views of the glacial amphitheater, including glimpses of Devil's Kitchen from below, without the demanding climb. It's a great option for those seeking natural beauty with less intensity.
Yes, Devil's Kitchen (Twll Du) is accessible by public transport. The Sherpa'r Wyddfa bus service operates through the Ogwen Valley, with stops near the start of the trails leading to Cwm Idwal and Devil's Kitchen. This service connects with larger towns like Betws-y-Coed and Llanberis, making it a viable option for visitors without private vehicles.
Dogs are generally welcome on the trails to Devil's Kitchen (Twll Du) and within Snowdonia National Park. However, it's crucial to keep them on a lead, especially due to the presence of livestock (sheep) and ground-nesting birds. The terrain is very rocky and steep in places, so ensure your dog is fit enough for the challenge and consider their paws on rough surfaces.
For safety and enjoyment, clear, dry weather is ideal for hiking to Devil's Kitchen (Twll Du), as the rocky paths can become very slippery when wet. However, the characteristic plume of steam that gives the gorge its name is often more visible in cooler, damp conditions. Always check the mountain weather forecast before you go, as conditions can change rapidly.
A winter hike to Devil's Kitchen (Twll Du) requires significant preparation. You should wear multiple layers of warm, waterproof, and windproof clothing. Essential gear includes sturdy winter hiking boots, gaiters, a hat, gloves, and a headlamp. Depending on conditions, crampons and an ice axe may be necessary, as ice and snow can make the terrain extremely hazardous. Always carry a map, compass (or GPS), and sufficient food and water.
The nearest amenities are located in the Ogwen Valley. The Ogwen Cottage Outdoor Pursuits Centre, located at the base of the valley, often has a small shop or cafe. For more extensive options, you'll need to travel a short distance to nearby villages like Capel Curig or Betws-y-Coed, which offer a range of cafes, pubs, restaurants, and various types of accommodation, from campsites to hotels.
Devil's Kitchen (Twll Du) itself is a dramatic chimney-like fissure in the rock face of Clogwyn y Geifr. The entire Cwm Idwal is a classic example of a glacial cirque (cwm), featuring impressive post-glacial formations such as the ribbon lake Llyn Idwal, arêtes, and pyramidal peaks. The landscape tells a clear story of ancient glacial activity, making it a site of significant geological interest.
Yes, the area around Devil's Kitchen (Twll Du) is renowned for rock climbing. The famous Idwal Slabs, located within Cwm Idwal, offer a variety of routes suitable for different experience levels, from classic scrambles to advanced rock climbs. It's a popular destination for climbers, but proper gear and experience are essential.
Devil's Kitchen (Twll Du) and the surrounding Cwm Idwal are very popular destinations, especially during weekends, bank holidays, and the summer months. You can expect trails to be busy, and parking areas to fill up quickly. For a quieter experience, consider visiting early in the morning, late in the afternoon, or during weekdays outside of peak season.