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Llyn Syfaddan

The best walks and hikes around Llyn Syfaddan

4.6

(1191)

8,863

hikers

338

hikes

Hiking trails around Llyn Syfaddan, also known as Llangorse Lake, provide a mix of waterside paths and hill ascents within the Bannau Brycheiniog National Park. As the largest natural lake in South Wales, the area is characterized by rolling hills, woodlands, and meadows. The routes range from gentle lakeside loops to more demanding hikes up surrounding peaks like Mynydd Llangorse, which offer broad views over the lake and the Black Mountains.

Best hiking trails around Llyn Syfaddan

  • The most popular hiking route is Llangorse Lake (Llyn Syfaddan) loop — Bannau Brycheiniog (Brecon Beacons) National Park, a 3.9 mile (6.3 km) trail that takes 1 hour 39 minutes to complete. This is an easy walk with minimal elevation gain, following the shoreline.
  • Another top favourite among local hiking enthusiasts is Cefn Moel & Mynydd Llangorse loop from Llangorse — Bannau Brycheiniog (Brecon Beacons) National Park, a moderate 8.9 mile (14.3 km) path. The route involves a significant ascent to the summit of Mynydd Llangorse.
  • Local hiking enthusiasts also love the Mynydd Llangorse Summit – View from Allt-yr-Esgair loop from Llangors, a 11.2 mile (18.1 km) trail leading through the hills overlooking the lake, often completed in about 5 hours 22 minutes.
  • Hiking around Llyn Syfaddan is defined by serene lakeside paths, rolling green hills, and ascents to viewpoints over the Usk Valley. The network of Llangorse Lake walks offers options for different ability levels, from easy family-friendly trails to more difficult mountain hikes.
  • The routes in Llyn Syfaddan are highly rated by the komoot community with an average score of 4.6 stars from over 1,000 reviews. More than 8,000 hikers have used komoot to explore Llyn Syfaddan's varied terrain.

Last updated: June 23, 2026

4.8

(14)

57

hikers

#1.

Cefn Moel & Mynydd Llangorse loop from Llangorse

14.3km

04:22

480m

480m

Hike the moderate Cefn Moel & Mynydd Llangorse loop for 8.9 miles (14.3 km) in Bannau Brycheiniog, offering panoramic views.

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Moderate

4.5

(8)

55

hikers

6.28km

01:39

50m

50m

Hike The Lake Trail, an easy 3.9-mile (6.3 km) loop around Llangorse Lake in Bannau Brycheiniog, offering scenic views and birdwatching.

Easy
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4.0

(1)

20

hikers

This difficult 11.2-mile Llyn Syfaddan (Llangorse Lake) loop offers panoramic views and a substantial workout in Brecon Beacons National Par

Hard

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Tips from the Community

Chris Shannon
May 4, 2026, St. Paulinus Church, Llangors

A nice church in Llangorse where you can start this hike, with two pubs in the village and lakeside cafe and pub near by

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So quiet with views to the Brecon and Black Mountains.

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Geraint
February 28, 2025, Cefn Moel

Fantastic area for hiking linking routes to mynydd Llangorse. Clear paths and bridal way. From here there is a fantastic decent for mountain biking into bwtch.

1

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Just east of Brecon town is the beautiful, quaint hamlet of Llangorse, or Llangors. The village hosts the largest natural lake in Wales and is simply an outdoor adventure hub that offers a wide range of adventurous outdoor activities throughout the year. It is a very popular tourist destination at the heart of the Brecon Beacons National Park.

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Mynydd Llangorse is a western outlier of the Black Mountains. The trig point stands at 1,660 feet (506 m) and offers great views south. The highest point on the ridge is further north, where you climb slightly to the true summit at 1,690 feet (515 m). If you aren't summiting as part of the Black Mountains round, you can run from which ever side is most convenient, there are loads of paths that bring you up to the north-south ridgeline trail.

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Llangorse Lake (Llyn Syfaddon) is the largest natural lake in Mid-Wales. It is also one of the lakes around which mythical stories about the Afanc (a monster) are told. The island contains the only crannog in Wales. Research showed that the crannog, an artificial island made with oak beams, layers of stones and earth, was probably constructed in the 8th century.

Translated by Google

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Mynydd Llangorse is a great summit ridge standing between the Waun Fach mountains to the east and the higher Pen y Fan group to the west. It's a nice run from Llangorse Lake or Cwmdu and is also an outlier on the Black Mountain Round. The top is at 1,690 feet (515 m), but the trig point stands at the western end of the ridge at 1,660 feet (506 m).

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Awesome views from the ridge line as you walk up or down from Mynydd Llangorse.

4

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Frequently Asked Questions

What's the difference between Llyn Syfaddan and Llangorse Lake?

They are the same place. Llyn Syfaddan is the Welsh name for the lake, while Llangorse Lake is the English name. You will see both names used on maps and trail guides for the area.

Are there any easy, family-friendly walks around the lake?

Yes, the area is well-suited for families. For a very gentle and short outing, consider the Llangorse Lake Bird Hide – Llangorse Lake (Llyn Syfaddan) loop from Llangors. It's a mostly flat path that's great for all ages and offers a chance to see local wildlife.

Can I bring my dog on hikes around Llyn Syfaddan?

Dogs are generally welcome on the trails, but the area is part of the Bannau Brycheiniog National Park and includes farmland with livestock. Always keep your dog on a lead, especially near sheep, and be prepared to follow local signage regarding canine access.

Where can I find the best views of the lake and surrounding mountains?

For some of the most rewarding panoramic views, you need to gain some elevation. Hikes that ascend the surrounding peaks like Mynydd Llangorse or Allt-yr-Esgair offer stunning vistas over the lake, the River Usk valley, and the Black Mountains. The effort of the climb is paid back with incredible scenery.

Are there any challenging long-distance hikes in the area?

Yes, for experienced hikers looking for a full day's challenge, there are several demanding routes. One option is the Llyn Syfaddan (Llangorse Lake) loop, an 18 km trail with significant elevation gain that rewards you with a comprehensive tour of the hills and landscapes surrounding the lake.

What are the parking options for starting a walk at Llangorse Lake?

There is a main car park located at Llangorse Lake, which is a convenient starting point for many of the lakeside and hill walks. It can get busy, especially on weekends and during holidays, so arriving early is recommended. Some trailheads for routes starting away from the main lake area may have limited roadside parking.

Can I get to Llyn Syfaddan using public transport?

Reaching Llyn Syfaddan by public transport can be challenging as services are limited in this rural part of the National Park. Bus routes may connect to nearby towns like Brecon, but you will likely need to plan for a taxi or a long walk from the nearest bus stop to the main trailheads. It's best to check current timetables in advance.

Are there any waterfalls on the hiking trails near Llyn Syfaddan?

The immediate trails around Llyn Syfaddan are more focused on lake views and rolling hills rather than waterfalls. However, the Brecon Beacons are famous for them. The renowned 'Waterfall Country' area, which includes spectacular sights like Henrhyd Falls, is a drive away but makes for a fantastic day trip if you're staying in the region.

What do other hikers say about the trails around Llyn Syfaddan?

The trails are highly regarded by the komoot community, with thousands of visitors sharing their experiences. Hikers often praise the stunning panoramic views from the hilltops, the peaceful waterside paths, and the variety of routes that cater to different fitness levels.

Are there any pubs or cafes for a break after a hike?

Yes, the village of Llangorse and the surrounding area have several pubs and cafes where you can relax after your walk. You'll find traditional Welsh pubs offering food and drink, providing a welcome stop to refuel and discuss the day's adventure.

What kind of terrain should I expect on the trails?

The terrain varies significantly. You'll find everything from flat, easy-going paths along the lake's shore to steep, grassy ascents up the surrounding hills. Some routes follow ancient Roman roads or cross open moorland. Good hiking footwear is essential, as paths can be muddy and uneven, especially after rain.

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