Carnedd Llewelyn

Carnedd Llewelyn: The Majestic Heart of the Carneddau
Carnedd Llewelyn, standing at 1,064 metres, is the second-highest peak in both Snowdonia and Wales, just after Yr Wyddfa (Snowdon). Nestled within the sprawling Carneddau range, this majestic mountain offers vast, open landscapes, sweeping ridges, and a true sense of wilderness. It’s a favourite among hikers looking for a more remote and rugged adventure, far from the busier trails of Snowdon.

A Wild Summit Above the Clouds
Carnedd Llewelyn is the towering centrepiece of the Carneddau, known for its broad summit and panoramic views. Reaching the peak feels like stepping onto a high, natural plateau, where the horizon stretches in every direction. On a clear day, you can see the Isle of Anglesey, the Menai Strait, and even across to Ireland.
The mountain itself has a wild, untamed character. It’s more than just a summit, it’s an experience of walking through one of Snowdonia’s grandest and most expansive landscapes. Whether you’re tackling it as a single peak or combining it with neighbouring summits, Carnedd Llewelyn promises a rewarding and exhilarating day out.

Walks & Hikes Around Carnedd Llewelyn
There are several classic routes to conquer this impressive peak.
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Carnedd Llewelyn via Ffynnon Llugwy
- 8 mi
- 5 hr - 7 hrs
A steep climb over Pen yr Helgi Du with airy ridges and spectacular views.
Carnedd Llewelyn from Ogwen Valley via Pen yr Ole Wen
- 10 mi
- 6 hrs - 8 hrs
A demanding traverse across three major peaks, rugged, scenic, and epic.
Carnedd Llewelyn Circular via Carnedd Dafydd
- 9 mi
- 6 hrs - 8 hrs
A rocky, rewarding loop taking in two summits and wide-ranging views.
Carnedd Llewelyn via Cwm Eigiau
- 11 mi
- 7 hrs - 9 hrs
A quieter, remote route with a gradual ascent through wild terrain.
Carnedd Llewelyn via Aber Falls and Bwlch y Ddeufaen
- 10 mi
- 6 hrs - 8 hrs
A quieter, scenic ascent with waterfalls, moorland trails, and big northern views.


What to Know Before You Go
Carnedd Llewelyn is a serious mountain, requiring good navigation skills and mountain awareness. The weather can be unpredictable, and paths can become unclear, especially in fog or snow. Wear sturdy boots, carry a map (OS Explorer OL17), and always have extra layers, food, and water.
Why We Love Carnedd Llewelyn
Carnedd Llewelyn feels like the heart of Snowdonia’s wilder side. The expansive views, the sense of solitude, and the rugged beauty make it a peak that leaves a lasting impression. Whether you’re summiting via a ridge walk or approaching from a remote valley, it’s a mountain that embodies the raw, untamed spirit of the Carneddau.

How to Get to Carnedd Llewelyn
Most routes to Carnedd Llewelyn start from the Ogwen Valley or Cwm Eigiau. The Ogwen Cottage car park (postcode: LL57 3LZ) is a popular starting point and can fill up quickly. There’s also parking at Ffynnon Llugwy and Cwm Eigiau, but these are more limited.
If using public transport, the nearest train station is Bangor. From there, take the Sherpa bus to Ogwen Cottage. Plan ahead, as services are limited.

A Bit of Carnedd Llewelyn History
The name “Carnedd Llewelyn” commemorates Llywelyn ap Gruffudd, the last sovereign Prince of Wales before the English conquest. The peak’s grand presence and formidable terrain serve as a fitting tribute to a historic figure associated with strength and resilience.
Long known for its remoteness, Carnedd Llewelyn has been a favourite of mountaineers since the early 20th century, attracting those who seek a less-trodden path. The area is also rich in wildlife, with wild ponies and hardy sheep grazing on its slopes, adding to the sense of timeless wilderness.

Keep exploring
Carnedd Llewelyn is just one of the many incredible peaks in the Carneddau range. Looking to conquer more high mountains? Discover the best of Snowdonia’s rugged summits below!