4.5
(628)
5,318
hikers
84
hikes
Hiking around Llyn y Fan Fawr reveals a landscape characterized by glacial lakes, rolling hills, and open moorland. The region, part of the Brecon Beacons, features prominent peaks and valleys, offering varied elevation changes. Hikers can expect trails that traverse alongside water bodies and ascend to viewpoints overlooking the surrounding Welsh countryside. This area provides a range of hiking experiences, from lakeside paths to mountain ridge walks.
Last updated: May 12, 2026
5.0
(25)
142
hikers
10.8km
03:26
430m
430m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(17)
65
hikers
19.2km
06:11
810m
810m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.8
(18)
272
hikers
17.3km
05:47
840m
840m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(6)
66
hikers
7.66km
02:35
370m
370m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(5)
53
hikers
8.30km
02:46
380m
380m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Quite a tricky path. Easier up than down I reckon. I did it with a wonky arm so don’t worry too much.
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I've seen that this is an amazing spot to watch the sunrise online!! it takes about 40-60 mins to get to the summit. wrap up warm!
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There are over 80 hiking trails around Llyn y Fan Fawr, offering a variety of experiences from moderate loops to more challenging ascents. The komoot community has mapped and reviewed these routes extensively.
Yes, Llyn y Fan Fawr offers several easy and moderate trails suitable for families or those seeking a less strenuous walk. There are 19 easy routes and 52 moderate routes available, many of which traverse alongside the lake or through open moorland with gentle gradients. For a moderate option, consider the Llyn y Fan Fawr – View of Llyn y Fan Fawr loop from Moel Feity, which is about 4.8 miles (7.7 km) long.
For experienced hikers, Llyn y Fan Fawr provides challenging routes with significant elevation changes and longer distances. There are 13 difficult trails in the area. An example is the View of Picws Du – Llyn y Fan Fach loop from Moel Feity, an 11.9-mile (19.2 km) path featuring demanding ascents and panoramic views of both Llyn y Fan Fach and Picws Du.
Yes, many of the trails around Llyn y Fan Fawr are designed as circular routes, allowing you to start and finish at the same point. These loops often take in the lake itself and surrounding peaks. A popular moderate circular option is the Fan Foel summit – Llyn y Fan Fawr loop from Moel Feity.
The best time to hike around Llyn y Fan Fawr is typically from late spring to early autumn (May to October) when the weather is generally milder and the trails are drier. However, the landscape offers unique beauty in all seasons. Winter hikes are possible but require appropriate gear and experience due to potentially harsh conditions and shorter daylight hours.
Trails around Llyn y Fan Fawr vary from well-trodden paths to more rugged, open moorland sections. You can expect a mix of terrain, including rocky ascents, grassy tracks, and potentially boggy areas, especially after rain. Sturdy waterproof hiking boots are highly recommended.
Hikers can expect to see stunning glacial lakes, such as Llyn y Fan Fawr itself, and expansive open moorland. The region is characterized by rolling hills and prominent peaks, offering panoramic views of the Brecon Beacons. You might also encounter local wildlife and the unique flora of the Welsh uplands.
Yes, Llyn y Fan Fawr is generally dog-friendly, offering plenty of open space for walks. However, it's crucial to keep dogs under close control, especially in areas with livestock (sheep are common) or ground-nesting birds. Always follow the Countryside Code, pick up after your dog, and be mindful of other hikers and wildlife.
The Llyn y Fan Fawr area is highly rated by the komoot community, with an average score of 4.5 stars from over 600 reviews. Reviewers often praise the dramatic, unspoiled scenery, the sense of wilderness, and the challenging yet rewarding ascents to viewpoints overlooking the lakes and surrounding countryside.
Parking is available at various points around the Llyn y Fan Fawr area, often in small, informal car parks or lay-bys. Specific starting points for routes, such as Moel Feity, usually have designated parking. Facilities like toilets or cafes are limited directly at the trailheads, so it's advisable to be self-sufficient and plan accordingly.
Public transport options to the immediate vicinity of Llyn y Fan Fawr are very limited due to its remote location within the Brecon Beacons National Park. Access is primarily by car. Some bus services may reach nearby towns, but reaching the trailheads would likely require a taxi or a long walk.
Llyn y Fan Fawr itself, being a glacial lake, is a potential spot for wild swimming, though it's important to note that the water will be very cold, even in summer. Always exercise caution, be aware of water safety, and check local regulations or advisories before entering the water. There are no official lifeguards or designated swimming areas.


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