4.8
(4)
16
hikers
1
hike
Mountaineering routes around Maentwrog are set within the dramatic landscapes of Snowdonia National Park (Eryri National Park), offering diverse and challenging terrain. The region features significant mountain ranges like the Moelwyns and the rugged Rhinog range, alongside ancient oak woodlands and numerous picturesque lakes. This area provides varied elevation gains and technical challenges suitable for experienced mountaineers.
Last updated: May 11, 2026
4.5
(2)
8
hikers
19.6km
07:29
1,060m
1,060m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(2)
4
hikers
9.55km
02:55
310m
310m
Moderate mountaineering route. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4
hikers
9.14km
04:28
720m
720m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Llyn Dinas is a picturesque 24-hectare glacial lake in Eryri (Snowdonia) National Park in North Wales, near Beddgelert in the Nant Gwynant valley. It is a popular spot for scenic walks, wild trout fishing, paddleboarding, and swimming. The lake is relatively shallow (maximum 10 metres) and lies on the lower slopes near the Watkin Path to the summit of Snowdon.
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There are many, many ways up Yr Wyddfa (Snowdon), though the Watkin Path is one of the six trails officially recognised by the national park authority. It's a quieter option than the routes from Llanberis and Pen y Pass and also one of the most strenuous. It was also the first public footpath in the UK when it was inaugurated in 1892 by Prime Minister William Gladstone.
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Beginning of Watkins' path
5
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Beddgelert is a lovely village below Moel Hebog, and the bridge over the river is a key feature.
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The best view to be had of these two lakes is from the Crib Goch, and they will be a long way below you.
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A good steep climb finally gives way to a flat top summit with expansive views in all directions. including across the valley to Yr Wyddfa (Snowdon).
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There are 5 mountaineering routes detailed in this guide for the Maentwrog area. These routes offer a range of challenges, from moderate to difficult, allowing you to explore the dramatic landscapes of Snowdonia National Park.
Mountaineering routes around Maentwrog feature diverse and dramatic terrain. You'll encounter significant mountain ranges like the Moelwyns and the rugged Rhinog range, ancient oak woodlands, and numerous picturesque lakes. Expect varied elevation gains and technical challenges, particularly on routes leading to peaks like Cnicht or Moelwyn Mawr.
Yes, several routes are circular. For example, the Watkin Path – Snowdon Summit loop from Yr Wyddfa National Nature Reserve offers a challenging circular ascent to Snowdon's summit. Another option is the Moel Hebog – Moel Yr Ogof loop from Beddgelert, providing rugged terrain and panoramic views.
The routes offer access to several significant peaks and viewpoints. You can reach the Cnicht Summit, often called the 'Welsh Matterhorn', via routes like the Llyn Cwm-corsiog – Cnicht loop from Croesor. Other prominent summits include the Summit of Moel Hebog and the Moelwyn Mawr summit, which offers breathtaking views encompassing Snowdon and 15 lakes.
The best time for mountaineering in Maentwrog, like much of Snowdonia, is typically from late spring to early autumn (May to October) when weather conditions are generally more stable, and daylight hours are longer. However, the region's weather can be unpredictable, so always check the forecast before heading out. Winter mountaineering is possible but requires appropriate experience, equipment, and awareness of rapidly changing conditions.
While many routes in this guide are rated difficult, there is a moderate option available. The Beddgelert Stone Bridge – Beddgelert Village loop from Nantmor is a moderate 9.5 km route that takes approximately 2 hours 55 minutes to complete, offering a less strenuous yet rewarding experience.
The mountaineering routes around Maentwrog are highly regarded by the komoot community, with an average rating of 4.8 stars from 8 reviews. Users often praise the dramatic scenery, challenging ascents, and the sense of wilderness found in areas like the Rhinog range.
Absolutely. The region is dotted with picturesque lakes, including Llyn Trawsfynydd, Llyn Mair, and Llyn Hafod-y-Llyn, which often feature prominently in walking routes. You can also find cascading waterfalls like Rhaeadr Du ('the black fall'), which add to the natural beauty and are highlights of local walks.
The durations for mountaineering routes around Maentwrog vary depending on their length and difficulty. For instance, the challenging Watkin Path – Snowdon Summit loop can take around 7 hours 29 minutes, while the Blaen Nanmor – Llyn yr Adar loop from Gerynt is approximately 3 hours 14 minutes. Always factor in your fitness level and weather conditions when planning.
For those seeking a more untamed adventure, the rugged Rhinog Fawr in the Rhinog range is known for its 'craggy, vegetated, wild' terrain. While not explicitly listed as a route in this guide, its proximity to Maentwrog makes it an accessible option for experienced mountaineers looking for a remote experience. The Rhinog Fawr Summit Cairn is a notable highlight in this area.
Parking availability varies by trailhead. For routes like the Watkin Path – Snowdon Summit loop, you would typically find parking near Yr Wyddfa National Nature Reserve. For routes starting from Beddgelert or Croesor, there are usually designated parking areas in or near these villages. It's always advisable to check specific parking information for your chosen trailhead before you set off, especially during peak seasons.
While the focus is on natural landscapes, the wider Snowdonia region has rich history. For example, the Arenig Fawr Summit and Flying Fortress Memorial offers a poignant historical point of interest. Additionally, the area around Maentwrog is known for its ancient woodlands, which hold ecological significance.


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