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North Wales
Gwynedd

Llanllyfni

The best dog-friendly hikes and walks around Llanllyfni

4.6

(4875)

50,850

hikers

7

hikes

Dog friendly hiking trails around Llanllyfni are set within a landscape characterized by its proximity to the Nantlle Ridge, offering access to both challenging mountain trails and serene valley walks. The region features prominent peaks like Garnedd-goch and Mynydd Craig Goch, along with picturesque glacial lakes such as Llyn Nantlle Uchaf. The area also includes former industrial sites like the Dorothea Quarry, providing a unique historical dimension to many routes. Llanllyfni borders Snowdonia National Park, contributing to a diverse range…

Last updated: May 27, 2026

4.8

(4)

26

hikers

#1.

Garnedd-goch loop — Parc Cenedlaethol Eryri / Snowdonia National Park

11.6km

03:56

540m

540m

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

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Moderate

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

Moderate
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Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

Hard

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

Moderate

5.0

(2)

13

hikers

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Popular around Llanllyfni

Snowdonia Slate Trail — Unearth one of Wales' most spectacular hikes

Other adventures around Llanllyfni

Snowdonia Slate Trail — Unearth one of Wales' most spectacular hikes

Hiking Collection by

Alex Foxfield

Tips from the Community

Alex Foxfield
November 26, 2023, Craig Cwm Silyn Summit

At 2,408 feet (734 m), Craig Cwm Silyn is the highest point on the Nantlle Ridge. It rewards with glorious views back along the snaking ridgeline, backed by the mighty Snowdon massif. The ascent of its northeast ridge is an entertaining scramble, while Craig Yr Ogof – the mountain's north-facing cliffs – provide plenty of rock climbing interest.

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One of the most aesthetic sections of the Nantlle Ridge, here the terrain narrows to a grassy crest on the approach to Mynydd Tal-y-Mignedd. While relatively narrow, there's no scrambling involved and it's nothing more than a walk, even under winter conditions.

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51m
September 6, 2023, Mynydd Craig Goch

Marking the western end of the awesome Nantlle Ridge Mynydd Craig Goch stands at 610 m and offers amazing views west out to sea.

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September 6, 2023, Craig Cwm Silyn Summit

Craig Cwm Silyn at 734 m is the highest point of the Nantlle Ridge. It's a rocky ridge of a summit with good views along the ridge or down into the valleys on each side. Normally run as part of the ridge traverse, it makes a great day out in either direction.

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Lovely views from the top, climb up isn't bad - can be slippery if its wet and in winter.

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Lovely reservoir below the hills.

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On the usual northeast to southwest traverse, Garnedd-goch is the final summit of the Nantlle Ridge. Unlike the peaks towards the start of the traverse, Garnedd-goch's rocky summit is found at the end of a much broader section of the ridge. On a clear day, it's a lovely viewpoint for the Lleyn Peninsula and Cardigan Bay beyond.

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The highest peak on the Nantlle Ridge, Craig Cwm Silyn is an excellent viewpoint for northern Snowdonia. The ascent of its rocky, northeast facing spur is an entertaining clamber, while to the west things broaden out towards Garnedd-goch. The mountain's north face, well seen from the village of Nantlle, is steep, rocky and popular with climbers.

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Frequently Asked Questions

How many dog-friendly hiking trails are available around Llanllyfni?

This guide features 8 dog-friendly hiking trails around Llanllyfni, offering a range of experiences from moderate to difficult. These routes allow you and your canine companion to explore the diverse landscapes of the Nantlle Valley and surrounding areas.

Are there any specific rules for dogs on trails in the Llanllyfni area, especially concerning livestock?

Yes, when hiking with your dog in Llanllyfni, particularly in areas bordering Snowdonia National Park or near farmland, it's crucial to keep your dog on a lead around livestock. This is vital for the safety of both your dog and the animals. Always follow local signage and the Countryside Code.

Are there any challenging dog-friendly hikes in the Llanllyfni area?

Absolutely. For experienced hikers and their dogs, the Llanllyfni area offers several challenging routes. The Trum y Ddysgl – Garnedd-goch Summit loop from Nebo is a demanding trail with significant elevation gain, providing a true mountain experience. Remember to assess your dog's fitness and carry plenty of water.

What kind of natural features can I expect to see on dog-friendly hikes around Llanllyfni?

The Llanllyfni area is rich in natural beauty. You can expect to encounter dramatic mountain scenery, such as the Nantlle Ridge, picturesque glacial lakes like Llyn Nantlle Uchaf, and the scenic River Llyfni. Many trails also feature cascading waterfalls, including Rhaeadr y Chwarel (Quarry Waterfall), and ancient woodlands.

Are there any dog-friendly circular routes available?

Yes, several dog-friendly circular routes are available. For a challenging loop, consider the Garnedd-goch loop — Parc Cenedlaethol Eryri / Snowdonia National Park, which offers stunning views and a good workout for both you and your dog. Another option is the Mynydd Craig Goch summit – Garnedd-goch Summit loop from Nebo.

What is the best time of year to go hiking with my dog in Llanllyfni?

Spring and autumn are generally considered the best times for dog-friendly hiking in Llanllyfni. The weather is milder, and the landscapes are vibrant with new growth or autumnal colours. Summer can be pleasant, but be mindful of warmer temperatures and ensure your dog has access to shade and water. Winter offers peaceful, quieter trails, but requires appropriate gear for potentially challenging conditions.

Are there any dog-friendly cafes or pubs in Llanllyfni or nearby villages?

While specific dog-friendly establishments in Llanllyfni itself may vary, many pubs and cafes in the wider Gwynedd region are welcoming to well-behaved dogs, especially in outdoor seating areas. It's always a good idea to call ahead to confirm their current dog policy before visiting.

Where can I find parking for dog-friendly trails in Llanllyfni?

Parking availability varies by trailhead. For routes like the Cwmdulyn Lake – Mynydd Craig Goch summit loop from Nebo, you'll typically find parking in or near the starting village of Nebo. For other trails, look for designated car parks or roadside parking areas, always ensuring you park responsibly and legally.

What do other hikers enjoy most about dog-friendly hiking in Llanllyfni?

The Llanllyfni area is highly rated by the komoot community, with an average score of 4.56 stars. Reviewers often praise the stunning mountain vistas, the tranquility of the glacial lakes, and the sense of adventure offered by the diverse trails. Many also appreciate the opportunity to explore historical sites like the Dorothea Quarry while enjoying the natural beauty with their dogs.

Are there any trails that offer historical points of interest for me and my dog?

Yes, the area around Llanllyfni has a rich industrial history. Trails often pass through or near former quarry sites, such as the Dorothea Quarry, which provides a unique historical dimension to your walk. You might also encounter old mining tracks and ruins, offering a glimpse into the region's past.

Can I reach any of the dog-friendly trailheads using public transport?

While Llanllyfni itself has some local bus services, direct public transport to specific trailheads can be limited, especially for more remote mountain routes. It's advisable to check local bus schedules in advance or consider using a taxi service from larger towns like Caernarfon to reach your desired starting point.

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