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North Wales
Gwynedd

Llyn Cwm Bychan

The best dog-friendly hikes and walks around Llyn Cwm Bychan

4.3

(319)

2,339

hikers

20

hikes

Dog friendly hiking trails around Llyn Cwm Bychan are set within the remote Rhinogydd mountains of Snowdonia, North Wales, offering diverse and rugged landscapes. The region is characterized by impressive peaks like Rhinog Fawr and Rhinog Fach, surrounding the picturesque Llyn Cwm Bychan lake. Hikers can expect varied terrain, including rocky paths, boggy moorland, and ancient oak woods, with historical features such as the Roman Steps. This area provides a sense of wilderness and tranquility for those exploring its natural…

Last updated: June 29, 2026

5.0

(1)

6

hikers

#1.

Rhinog Fach loop — Parc Cenedlaethol Eryri / Snowdonia National Park

23.1km

08:06

1,160m

1,160m

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

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Hard

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

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

Moderate

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

Moderate

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

Moderate
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Tips from the Community

Clive G
September 27, 2025, Llyn Hywel

A wild and beautiful place, high between Rhinog Fach and Y Llethr

Translated by Google

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Clive G
September 27, 2025, Rhinog Fach Summit

It is a steep climb to get here from either the north or south, but easier than Rhinog Fawr from the west. Great views, and the cliffs of the west side side are a playground for rockclimbers.

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Clive G
September 27, 2025, Llyn Hywel

Llyn Hywel is a wild and beautiful place cradled high between Rhinog fach and Y Llethr. It is famous for the huge slab that dives straight into the water on it's eastern side.

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Clive G
September 27, 2025, Bwlch Drws Ardudwy

This the deep narrow pass between Rhinog Fach and Rhinog Fawr. This photo shows where the path down from Rhinog Fawr meets the path that cuts through the pass, and also the steep path up Rhinog Fach. Also note how rough it is.

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Pont Scethin is a stone single arch bridge in a superbly wild and lonely setting in the Rhinog foothills. The bridge used to be on the old London to Harlech packhorse and drover route, and is probably 18th century. Source: https://coflein.gov.uk/en/site/24197/

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The landscape starts to open up here whether you are climbing or descending - good spot for a breather.

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A wonderful beach

Translated by Google

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Nice road along River Afon Artro

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Frequently Asked Questions

How many dog-friendly hiking trails are available around Llyn Cwm Bychan?

There are over 20 dog-friendly hiking trails around Llyn Cwm Bychan listed on komoot. These routes cater to various fitness levels, ensuring there's something for every dog and owner.

What is the general difficulty level of dog-friendly hikes in Llyn Cwm Bychan?

The dog-friendly trails around Llyn Cwm Bychan offer a range of difficulties. You'll find a good mix, with 10 easy routes perfect for a leisurely stroll with your dog, 9 moderate options for a more challenging walk, and even 1 difficult trail for experienced hikers and their canine companions seeking a proper adventure.

What kind of terrain can I expect on dog-friendly trails in this area?

The terrain around Llyn Cwm Bychan is quite varied and rugged. Expect rocky paths, tracks, and sections of boggy moorland, especially after rain. You'll also encounter majestic, rocky valleys, gnarled gritstone peaks, and heather-covered slopes. Good footwear for both you and your dog is recommended, and be prepared for potentially wet conditions.

Are there any circular dog-friendly routes around Llyn Cwm Bychan?

Yes, many of the trails around Llyn Cwm Bychan are designed as circular routes, allowing you and your dog to experience diverse scenery without retracing your steps. For example, the Rhinog Fach loop offers a challenging circular experience, while other shorter loops provide easier options.

What natural features or landmarks can I see with my dog on these trails?

Llyn Cwm Bychan is rich in natural beauty and unique landmarks. You can explore the picturesque Llyn Cwm Bychan lake itself, discover smaller mountain lakes like Llyn Morwynion and Llyn Hywel, and even find the Pistyll Gwyn Waterfall on some routes. The historic 'Roman Steps,' medieval slabs laid for packhorses, offer a fascinating and remote hiking experience.

Are there specific considerations for hiking with dogs in the Llyn Cwm Bychan area?

Given the area's remote and wild nature, it's crucial to keep your dog under close control, especially around livestock which are common in Snowdonia. Some paths can be poorly marked, so good navigational skills are beneficial. Be prepared for varied weather and potentially boggy conditions. Always carry enough water for both yourself and your dog, as natural water sources may not always be accessible or safe to drink.

Can my dog swim in the lakes around Llyn Cwm Bychan?

Yes, Llyn Cwm Bychan and other smaller mountain lakes like Llyn Morwynion and Llyn Hywel offer opportunities for dogs to swim. The serene waters can be a welcome refreshment for your dog, especially on warmer days. Always ensure the water is safe and accessible, and be mindful of any wildlife or nesting birds.

What do other hikers enjoy most about the dog-friendly trails in Llyn Cwm Bychan?

The dog-friendly trails in Llyn Cwm Bychan are highly rated by the komoot community, with an average score of 4.3 stars from over 290 ratings. Reviewers often praise the area's 'unfettered wilderness and blissful peace,' the tremendous views from the peaks, and the sense of solitude found on the trails. The diverse landscapes, from oak woods to rugged mountains, are also frequently highlighted.

Is parking available for dog walks around Llyn Cwm Bychan?

Parking is generally available, though often in smaller, informal car parks or lay-bys, especially given the area's remote nature. The roads leading to Llyn Cwm Bychan are very narrow and winding, so drive carefully. It's advisable to arrive early during peak seasons to secure a spot, particularly for popular trailheads.

What is the best time of year to visit Llyn Cwm Bychan with my dog?

Spring and autumn are often considered the best times to visit Llyn Cwm Bychan with your dog. In spring, the weather is milder, and the landscape comes alive. Autumn offers stunning colours, especially when the heather is in bloom, and fewer crowds. Summer can be pleasant but also busier, while winter can bring challenging conditions with snow and ice, requiring appropriate gear and experience.

Are there any less crowded dog-friendly walks in the area?

Llyn Cwm Bychan is known for its remoteness, offering moments of 'unfettered wilderness and blissful peace.' Many trails, particularly those venturing deeper into the passes between the Rhinog peaks, provide a less crowded experience compared to more popular areas of Snowdonia. Exploring routes to smaller lakes like Llyn Hywel can also offer more solitude.

Are there any family-friendly dog walks suitable for all ages?

While some routes are challenging, there are easier, more accessible paths suitable for families with dogs. These often involve less elevation gain and more defined trails. For instance, parts of the Roman Steps loop are considered moderate, and easier paths can be found around Llyn Morwynion from Cwm Bychan Campsite, offering a good balance for families.

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