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United Kingdom
Wales
North Wales
Gwynedd

Llyn Trawsfynydd

The best waterfall hikes and walks around Llyn Trawsfynydd

4.5

(714)

5,052

hikers

20

hikes

Waterfall hiking trails around Llyn Trawsfynydd are located within Snowdonia National Park in North Wales, offering diverse landscapes for outdoor activities. The region features a large artificial reservoir, Llyn Trawsfynydd, surrounded by varied terrain including scenic lakeside paths, open moorland, and woodlands. Hikers can explore nature reserves, wetlands, and the rugged, rocky paths of the Rhinog mountains. The area provides a comprehensive network of routes, catering to different fitness levels.

Best waterfall hiking trails around Llyn Trawsfynydd

  • The most popular waterfall hiking route is Pengwern Country House – Cynfal Falls (Rhaeadr Cynfal) loop from Llan Ffestiniog, a 8.1 miles (13.0 km) trail that takes 3 hours 46 minutes to complete. This moderate route features the notable Cynfal Falls.
  • Another top favourite among local hikers is Pengwern Country House loop from Llan Ffestiniog, an easy 3.1 miles (5.1 km) path. This route offers a gentle walk through the local countryside.
  • Local hikers also love the Cynfal Falls (Rhaeadr Cynfal) – Pengwern Country House loop from Llan Ffestiniog, a 1.9 miles (3.0 km) trail leading through varied terrain, often completed in about 52 minutes.
  • Hiking around Llyn Trawsfynydd is defined by clear waters, surrounding mountains, and varied terrain including lakeside paths, open moorland, and woodlands. The network offers options for different ability levels, with 8 easy, 11 moderate, and 1 difficult waterfall hiking trails.
  • The routes in Llyn Trawsfynydd are highly rated by the komoot community with an average score of 4.5 stars from more than 600 reviews. More than 4500 hikers have used komoot to explore Llyn Trawsfynydd's varied terrain.

Last updated: May 10, 2026

4.4

(9)

40

hikers

#1.

Cynfal Falls (Rhaeadr Cynfal) – Cynfal Falls loop from Llan Ffestiniog

13.0km

03:47

330m

330m

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

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Moderate

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

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

Easy

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

Easy

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

Moderate
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Tips from the Community

Chris
July 2, 2025, Cwmorthin Waterfall

Car park gets full up top so park sensibly park close to next car gives more space for others. Don’t park in front of gate as this is used by farmer Go Below and mountain/cave rescue. More parking available at bottom of hill.

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Can be a little dark here and muddy after heavy rain

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Pengwern Country House is a beautiful 4 star Bed and Breakfast, set within two acres of wild woods, overlooking the beautiful Lledr Valley, 1 mile from the bustling picturesque village of Betws-y-Coed, the 'Gateway' to the Snowdonia National Park. Ideally situated to explore Snowdonia and North Wales. Just a short walk from Pengwern, you will find Conwy Falls and Fairy Glen. Pengwern has a relaxed county house atmosphere, is traditional but upbeat, with log fires, slate floor, a large sitting room with pictures reflecting its artistic past.

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Nej
September 21, 2022, Cynfal Falls

The Cynfal Falls rush down this glacial gorge, filling the air with sound and spray. Find them near to the village of Llan Ffestiniog.

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You can drive almost directly to the waterfall by car. The car park is a popular starting point for hikes, even higher up.

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One of Snowdonia's great waterfalls, Rhaeadr y Cwm is a series of impressive cascades. The several falls amount to a total of 350 feet (107 m). A trail runs to the north of this spectacle, while there's nearby parking on the B4391 road to Llan Ffestiniog.

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Little frequented yet undoubtedly beautiful, Cwm Cynfal Nature Reserve and the cascading Cynfal Falls (Rhaeadr Cynfal) are an utter delight. The Afon Cynfal tumbles through a dramatic wooded gorge, where exciting views await, but take care as the path is often close to the edge and is narrow in places. The power of the cascades have carved some interesting rock sculptures. Huw Llwyd's Pulpit is one such formation, a rock pillar named after a well-known local magician. The story goes that he used to stand on the rock and recite poetry and preach. This unique pedestal, he said, gave him protection from the evil, as the devil was supposedly afraid of water.

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Smaller and quieter than its parent town Blaenau Ffestiniog, the village of Llan Ffestiniog is well-placed for both the Moelwynion range to the north west and the superb but rugged Rhinogydd range to the south. Despite its size, it has a wealth of accommodation options, from hotels and B&Bs to cottage rentals. There's also a few options for your evening meal. The Gwesty Seren Hotel is home to an excellent restaurant with vegetarian and vegan options, while the historic Y Pengwern also does great food and boasts a fine beer garden with great mountain views.

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Frequently Asked Questions

How many waterfall hiking trails are available around Llyn Trawsfynydd?

There are 20 dedicated waterfall hiking trails around Llyn Trawsfynydd. These include 8 easy, 11 moderate, and 1 difficult route, offering options for various fitness levels.

What are some easy waterfall hikes suitable for families?

For an easy and family-friendly option, consider the Pengwern Country House loop from Llan Ffestiniog. This 3.1-mile (5.1 km) path offers a gentle walk through the local countryside. Another short and easy option is the Cynfal Falls (Rhaeadr Cynfal) – Pengwern Country House loop from Llan Ffestiniog, which is 1.9 miles (3.0 km) long and takes about 52 minutes.

Are there any challenging waterfall trails for experienced hikers?

Yes, there is one difficult waterfall hiking trail available. While specific details on its name aren't provided, the region's rugged Rhinog mountains offer challenging terrain for those seeking a more demanding experience.

What kind of landscapes can I expect on waterfall hikes in this region?

Waterfall hikes around Llyn Trawsfynydd traverse diverse landscapes. You'll find scenic lakeside paths, expansive open moorland, woodlands, and even nature reserves and wetlands. The rugged, rocky paths of the Rhinog mountains also feature in some routes, providing varied terrain and stunning views.

What do other hikers say about the waterfall trails in Llyn Trawsfynydd?

The komoot community highly rates the trails around Llyn Trawsfynydd, with an average score of 4.5 stars from over 600 reviews. Hikers often praise the clear waters, surrounding mountains, and the varied terrain that makes each route unique.

What are some notable waterfalls or features to look out for?

Many routes feature the notable Cynfal Falls (Rhaeadr Cynfal), a beautiful cascade. Another route, the Ffestiniog Railway Trail – Cwmorthin Falls loop from Llan Ffestiniog, will lead you to Cwmorthin Falls. The region's clear waters and mountainous backdrop are also prominent features.

Are there any historical or natural attractions near the waterfall trails?

Yes, beyond the waterfalls, you can explore several points of interest. The area is home to the fascinating Llyn Trawsfynydd itself, the impressive Maentwrog Dam, and the historic Trawsfynydd Nuclear Power Station site. The Tomen y Mur Roman Fort ruins are also a significant archaeological site often incorporated into hiking routes.

What is the best time of year to visit Llyn Trawsfynydd for waterfall hikes?

The waterfalls are often at their most impressive after periods of rain, which can occur throughout the year in North Wales. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer provides longer daylight hours. Winter hikes can be beautiful but require appropriate gear for potentially colder and wetter conditions.

Are there any circular waterfall walks available?

Yes, many of the waterfall trails are designed as loops. For example, the popular Pengwern Country House – Cynfal Falls (Rhaeadr Cynfal) loop from Llan Ffestiniog is an 8.1-mile (13.0 km) moderate circular route that takes you past Cynfal Falls.

What should I wear for waterfall hiking in Llyn Trawsfynydd?

Given the varied terrain and potential for wet conditions, it's advisable to wear waterproof hiking boots with good grip, and dress in layers. A waterproof jacket and trousers are also recommended, especially if visiting after rainfall or during cooler months, to stay comfortable and dry.

Is public transport available to access the waterfall hiking areas?

While Llyn Trawsfynydd is nestled within Snowdonia National Park, public transport options can be limited. It's best to research local bus services to nearby villages like Llan Ffestiniog or Trawsfynydd, which may offer connections to trailheads. Driving often provides the most flexibility for accessing various starting points.

Are the waterfall trails dog-friendly?

Many trails in Snowdonia National Park are dog-friendly, but it's crucial to keep dogs on a lead, especially near livestock, wildlife, and on more rugged paths. Always check specific trail guidelines and be mindful of other hikers and the natural environment.

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