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Mountain Hikes
United Kingdom
Wales
North Wales
Conwy

Llyn Eigiau

The best mountain hikes around Llyn Eigiau

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(2)

90

hikers

9

hikes

Mountaineering around Llyn Eigiau is characterized by its location within a dramatic glaciated valley on the fringes of the Carneddau mountain range in Snowdonia National Park. This area features rugged terrain and challenging ascents to prominent peaks like Carnedd Llewelyn, Wales' second-highest mountain. The landscape is defined by high, remote mountains, crags, and ridges, offering a true wilderness experience for mountaineers.

Best mountaineering routes around Llyn Eigiau

  • The most popular mountaineering route is Llyn-y-Foel โ€“ Moel Siabod Summit loop from Capel Curig, a 7.2 miles (11.5 km) trail that takes 5 hours 2 minutes to complete. This difficult route offers significant elevation gain and panoramic summit views.
  • Another top favourite among local mountaineers is Tryfan Scramble โ€“ Tryfan Summit loop from Capel Curig, a difficult 5.4 miles (8.7 km) path. This route involves scrambling sections and leads to the rugged summit of Tryfan.
  • Local mountaineers also love the View of the Carneddau Range โ€“ Llyn Geirionydd loop from Trefriw, a 5.1 miles (8.1 km) trail leading through varied terrain with views of the Carneddau, often completed in about 2 hours 20 minutes.
  • Mountaineering around Llyn Eigiau is defined by glaciated valleys, the high Carneddau mountains, and challenging crags and ridges. The network offers options for both moderate and difficult ability levels, with 4 moderate and 18 difficult routes available.
  • The routes in Llyn Eigiau are highly rated by the komoot community with an average score of 4.8 stars from more than 20 reviews. More than 350 mountaineers have used komoot to explore Llyn Eigiau's varied terrain.

Last updated: June 24, 2026

9

hikers

#1.

Tryfan North Ridge โ€“ Tryfan Summit loop from Capel Curig

8.69km

03:50

580m

580m

Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Hard

Moderate mountaineering route. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Popular around Llyn Eigiau

MTB Trails around Llyn Eigiau

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Road Cycling Routes around Llyn Eigiau

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Cycling around Llyn Eigiau

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Tips from the Community

Clive G
March 25, 2026, Llyn Ogwen

Beautiful lake, but avoid the area at Easter!

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Clive G
February 19, 2026, Cannon Stone (Tryfan)

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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MCW73
January 9, 2026, Afon Idwal Waterfall

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 Devilโ€™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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Clive G
October 12, 2025, View of Llyn Ogwen

Llyn Ogwen is a wonderful place - just avoid it at all costs on Bank Holiday weekends!!

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Clive G
October 12, 2025, Tryfan Scramble

See this write up - https://www.komoot.com/tour/2449300285 It explains why this route is so good.

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Clive G
October 12, 2025, Tryfan North Ridge

This route is so much fun - and is part of what is probably the best grade 1 scramble in Snowdonia.

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Clive G
October 12, 2025, Tryfan South Ridge

The south ridge is the easier way to reach the top of Tryfan, but it still has it's moments near the top.

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Clive G
October 12, 2025, Stile by Llyn Ogwen

A waymark on the journey to even better things!

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Frequently Asked Questions

How many mountaineering routes are available around Llyn Eigiau?

There are over 20 mountaineering routes around Llyn Eigiau, catering to various skill levels. You'll find 4 moderate routes and 18 difficult routes, offering plenty of options for exploration.

What kind of terrain and difficulty can I expect on mountaineering routes in Llyn Eigiau?

Mountaineering around Llyn Eigiau is characterized by its rugged, glaciated valley terrain and the high Carneddau mountains. Routes often involve significant elevation gain and can be quite challenging. Many are classified as 'difficult', requiring very good fitness, sure-footedness, and sturdy gear. Some routes, like the ascent from Bwlch Eryl Farchog, may even include light scrambling sections.

Are there any routes suitable for beginners or those looking for an easier mountaineering experience?

While many routes are challenging, there are a few moderate options available. For instance, the View of the Carneddau Range โ€“ Llyn Geirionydd loop from Trefriw is a moderate 5.1-mile trail that offers views of the Carneddau without the extreme difficulty of some other ascents. It's a good way to experience the area's beauty.

What are some of the most challenging mountaineering routes in the Llyn Eigiau area?

For experienced mountaineers seeking a challenge, routes like the Llyn-y-Foel โ€“ Moel Siabod Summit loop from Capel Curig offer significant elevation gain and panoramic summit views. Another demanding option is the Tryfan Scramble โ€“ Tryfan Summit loop from Capel Curig, which involves scrambling sections to the rugged summit of Tryfan. The Cwm Eigiau Horseshoe is also a classic high-level walk traversing several prominent peaks.

What notable landmarks or natural features can I see along the mountaineering routes?

The area is rich in dramatic natural features. You can encounter prominent peaks like Carnedd Llewelyn (Wales' second-highest mountain), Foel Grach with its mountain refuge, and Craig Eigiau with its distinctive tilted slab. Beyond Llyn Eigiau itself, you might also discover remote bodies of water such as Llyn Melynllyn and Dulyn Reservoir. The remains of the breached dam at Llyn Eigiau also serve as a poignant historical landmark.

Can I bring my dog on the mountaineering routes around Llyn Eigiau?

Many routes in Snowdonia National Park are dog-friendly, but it's crucial to keep dogs under close control, especially in areas with livestock or ground-nesting birds. Some challenging routes with scrambling sections might not be suitable for all dogs. Always check local signage and be prepared to keep your dog on a lead.

Are there any family-friendly mountaineering options in Llyn Eigiau?

While many routes are demanding, families with older, experienced children might enjoy some of the moderate trails. The glaciated valley offers a dramatic backdrop, but ensure your family has good fitness and appropriate gear for the terrain. For younger children, gentler walks might be more suitable than full mountaineering ascents.

Are there circular mountaineering routes available?

Yes, many of the mountaineering routes around Llyn Eigiau are designed as loops, allowing you to start and finish at the same point. Examples include the Llyn-y-Foel โ€“ Moel Siabod Summit loop from Capel Curig and the Tryfan Scramble โ€“ Tryfan Summit loop from Capel Curig. The Cwm Eigiau Horseshoe is also a classic circular high-level walk.

What is the best time of year for mountaineering in Llyn Eigiau?

The best time for mountaineering in Llyn Eigiau is typically from late spring to early autumn (May to October) when the weather is generally more stable, and daylight hours are longer. However, the Carneddau can experience rapid weather changes, so always be prepared for all conditions, even in summer. Winter mountaineering is possible but requires significant experience, specialist equipment, and an understanding of avalanche risks.

What are the parking options for accessing the mountaineering trails?

Parking is generally available at key access points around the Llyn Eigiau area, often near trailheads or villages like Capel Curig and Trefriw, which serve as starting points for many routes. Specific parking details can vary by trailhead, so it's advisable to check the route description for the exact starting point you plan to use.

Is public transport available to reach the trailheads around Llyn Eigiau?

Public transport options to the more remote trailheads around Llyn Eigiau can be limited. However, villages like Capel Curig and Trefriw, which serve as starting points for some routes, are generally better connected by local bus services within Snowdonia National Park. Planning your journey in advance is recommended if relying on public transport.

What do other mountaineers say about the Llyn Eigiau area?

The Llyn Eigiau area is highly rated by the komoot community, with an average score of 4.8 stars from more than 20 reviews. Mountaineers often praise the area for its true wilderness experience, the dramatic glaciated valleys, and the challenging ascents to prominent, remote peaks, offering a sense of solitude compared to other parts of Snowdonia.

Are there less crowded mountaineering options in Llyn Eigiau?

Yes, the eastern approaches to the Carneddau from Llyn Eigiau are notably less trodden than other popular areas of Snowdonia, such as the Glyderau or Snowdon itself. This makes it an excellent choice if you're seeking a greater sense of wilderness and solitude during your mountaineering adventures.

Are there places to eat or drink near the mountaineering routes?

While Llyn Eigiau itself is quite remote, nearby villages like Capel Curig and Trefriw offer options for pubs, cafes, and accommodation. These villages serve as common starting or finishing points for many routes, making them convenient for refreshments after a day in the mountains.

Is wild swimming possible in the lakes around Llyn Eigiau?

Llyn Eigiau and other remote lakes like Llyn Melynllyn and Dulyn Reservoir offer picturesque settings for wild swimming. However, always exercise caution, be aware of water temperatures, potential currents, and submerged hazards. Respect the natural environment and ensure you leave no trace.

Most popular routes around Llyn Eigiau

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