4.6
(2535)
24,891
hikers
108
hikes
Bus station hiking trails around Llyn Eigiau are set within a dramatic glaciated valley on the edge of the Carneddau mountain range in Snowdonia National Park. The landscape features the Llyn Eigiau lake, surrounded by rugged mountain scenery and remnants of old slate quarries. This area provides access to significant peaks and offers a mix of diverse terrain, from lake shores to higher mountain paths.
Last updated: June 29, 2026
4.7
(6)
108
hikers
9.39km
03:43
570m
570m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
15
hikers
7.71km
03:36
580m
580m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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6
hikers
9.98km
03:34
430m
430m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
7
hikers
24.7km
07:56
1,000m
1,000m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
9
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Excellent connecting ridge between Carnedd Llewellyn and Pen yr Helgi Du. FIne climbing and scrambling routes on the northern side, such as in the Amphitheatre.
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A lake that has been enlarged with a small dam, but it is a wonderful place tucked away in a corner below Carnedd Llewellyn.
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Huge angled boulder that you can see from the valley below. It can be climbed with care, but is polished these days.
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Canolfan Cwm IdwalClick to open side panel for more information is the primary visitor hub for the Ogwen Valley in Eryri National Park. Located along the A5 near National Trust - Ogwen CottageClick to open side panel for more information, it offers an interactive exhibition on local geology and 24-hour public toilets. Visitors can grab snacks and drinks from the kiosk before embarking on popular trails to Cwm Idwal and the surrounding Glyderau mountains.
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Rhaeadr Idwal is the scenic waterfall formed as the outflow of Llyn Idwal tumbles toward the Ogwen Valley. Cascading over ancient volcanic rock, it is a highlight of the approach path from Ogwen Cottage. Nearby, the Devil’s Appendix plunges 93 meters down the cliffs of Twll Du, making it the tallest single-drop waterfall in Wales. These falls are most dramatic after heavy rain or when frozen into spectacular ice columns in winter.
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Carnedd Llewelyn is high and relatively remote, so walks there are quite a serious undertaking.
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This route is so much fun - and is part of what is probably the best grade 1 scramble in Snowdonia.
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There are over 110 hiking trails accessible directly from bus stations in the Llyn Eigiau area. These routes offer a wide range of experiences, from easy strolls to challenging mountain ascents.
Yes, Llyn Eigiau offers a good selection of easier routes accessible by bus. While specific family-friendly routes are best explored on komoot, you'll find over 30 easy hikes that are generally less strenuous and suitable for various fitness levels. The glaciated valley and lake provide beautiful, less demanding scenery.
Most hiking trails in the Llyn Eigiau area are dog-friendly, but it's crucial to keep dogs on a lead, especially due to the presence of livestock like sheep and the wild Carneddau ponies. Always check specific route details on komoot for any restrictions or recommendations regarding dogs.
Hikers can expect magnificent and dramatic scenery. The trails traverse a striking glaciated valley, offering panoramic views of the rugged Carneddau mountains. You'll encounter the beautiful Llyn Eigiau lake, old slate quarries, and potentially spot wild Carneddau ponies. Higher routes provide extensive views of surrounding peaks and other lakes like Llyn Cowlyd.
Yes, many of the bus-accessible routes in the Llyn Eigiau area are circular, allowing you to start and end your hike at the same point, often conveniently near a bus stop. For example, the moderate Cwm Idwal – View of Tryfan loop from Capel Curig is a popular circular option.
For experienced hikers seeking a challenge, the Llyn Eigiau area, particularly from access points like Capel Curig, offers demanding routes. Consider the difficult Pen yr Ole Wen – Carnedd Dafydd loop from Capel Curig or the View of Tryfan – Tryfan Summit loop from Capel Curig, which involve significant elevation gain and rugged terrain.
The landscape around Llyn Eigiau is rich with history. You can explore the remains of old slate quarries, which are remnants of the region's industrial past. A poignant historical site is the Llyn Eigiau dam, which tragically burst in 1925, and its remains can still be seen above the lake.
The Llyn Eigiau area is highly rated by the komoot community, with an average score of 4.6 stars from over 2,400 reviews. Hikers often praise the stunning mountain and lake views, the sense of wildness and solitude compared to busier parts of Snowdonia, and the diverse range of trails catering to all abilities.
Yes, the Llyn Eigiau area provides access to significant peaks within the Carneddau range. From bus-accessible starting points, you can embark on challenging hikes to summits such as Carnedd Llewelyn, Wales's second-highest mountain, and Pen Llithrig y Wrach, offering superb mountain walks and extensive views.
The best time to hike in Llyn Eigiau is generally from late spring to early autumn (May to October) when the weather is milder and days are longer. However, the Carneddau can be enjoyed year-round, with winter offering a more remote and challenging experience for well-equipped hikers. Always check local weather forecasts before heading out, as conditions can change rapidly in the mountains.


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