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United Kingdom
Wales
North Wales
Gwynedd

Llyn Cwellyn

The best waterfall hikes and walks around Llyn Cwellyn

4.6

(6000)

63,399

hikers

28

hikes

Waterfall hiking trails around Llyn Cwellyn are set within Eryri National Park, characterized by a deep glacial lake flanked by the rugged slopes of Mynydd Mawr and the Snowdon massif. The area features dramatic mountain scenery, steep cliffs, and ridges, alongside coniferous forests and woodlands. This diverse terrain offers a range of natural features for hikers to explore.

Best waterfall hiking trails around Llyn Cwellyn

  • The most popular waterfall hiking route is Rhyd Ddu Path to Snowdon – Bwlch Main Ridge loop from Snowdon Ranger, a 15.6 miles (25.1 km) trail that takes 8 hours 55 minutes to complete, offering challenging ascents and panoramic mountain views.
  • Another top favourite among local hikers is Lake of the Servant's Spring – Llanberis Path loop from Llanberis, a difficult 10.9 miles (17.5 km) path. This route features significant elevation gain and views of the glacial lake and surrounding peaks.
  • Local hikers also love the Dolbadarn Castle – Llyn Padarn Trail loop from Llanberis, a 4.8 miles (7.7 km) trail leading through woodlands and along the lake, often completed in about 2 hours 5 minutes.
  • Hiking around Llyn Cwellyn is defined by glacial landscapes, dramatic mountain scenery, and diverse woodlands. The network offers options for different ability levels, from moderate valley walks to challenging mountain ascents.
  • The routes in Llyn Cwellyn are highly rated by the komoot community with an average score of 4.6 stars from over 5,700 reviews. More than 62,000 hikers have used komoot to explore Llyn Cwellyn's varied terrain.

Last updated: June 23, 2026

4.4

(7)

60

hikers

#1.

Dolbadarn Castle – Llanberis Visitor Information Board loop from Llanberis

6.77km

01:49

80m

80m

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

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Easy

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

Moderate
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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

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

Easy
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Tips from the Community

Andy Roberts
October 15, 2025, Llyn Ffynnon y Gwas

Great view of the lake and the climb to come , stopped for a quick brew before the ascent up

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Beautiful falls 🤩 recommend early or late visits get very busy as it’s close to the village

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Beautiful Llanberis lovely in May bring your most comfy hiking boots and plenty of water

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Great few hours spent. Fairly easy hike.

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Beautiful wander around Llyn Padarn via the lonely tree

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Stunning waterfall just out of Llanberis.

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Nice cafe with indoor and outdoor seating, good coffee and cake

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Thanks for the information, I will try to figure it out for more. Keep sharing such informative post keep suggesting such post. https://www.njmcdirect.life/

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Frequently Asked Questions

How many waterfall hiking trails are available around Llyn Cwellyn?

There are over 30 waterfall hiking trails around Llyn Cwellyn, catering to various skill levels. You'll find a good mix of easy, moderate, and challenging routes to explore the area's natural beauty.

What kind of terrain can I expect on waterfall hikes near Llyn Cwellyn?

The terrain around Llyn Cwellyn is incredibly diverse, ranging from gentle lakeside paths and woodland trails to rugged mountain ascents. You can expect to encounter glacial landscapes, dramatic mountain scenery, and sometimes steep, rocky sections, especially on routes leading towards Snowdon's higher slopes.

Are there any family-friendly waterfall walks in the Llyn Cwellyn area?

Yes, there are several options suitable for families. For a less strenuous experience, consider routes that stick to the valley or lakeside. While specific waterfall routes aren't detailed as 'family-friendly' in the data, easier trails like the Dolbadarn Castle – Llanberis Visitor Information Board loop from Llanberis offer accessible paths and interesting sights, which can be a good starting point for exploring the area with children.

Can I bring my dog on the waterfall trails around Llyn Cwellyn?

Many trails in Eryri National Park are dog-friendly, but it's crucial to keep dogs on a lead, especially near livestock and to protect local wildlife. Always check specific route details for any restrictions. Be mindful that some mountain paths can be challenging for dogs, particularly those with steep or rocky sections.

What are some notable natural features or landmarks to look out for on these hikes?

Beyond the waterfalls themselves, the region boasts stunning natural features. You'll be hiking amidst the dramatic slopes of Mynydd Mawr and the imposing Snowdon massif. Keep an eye out for the deep glacial lake of Llyn Cwellyn, the prominent Llechog cliffs, and the narrow Bwlch Main ridge. The area is also rich in woodlands and offers opportunities to spot Arctic char and otters in the lake.

Are there any circular waterfall walks available?

Yes, many routes in the Llyn Cwellyn area are designed as loops, allowing you to experience diverse scenery without retracing your steps. For instance, the challenging Rhyd Ddu Path to Snowdon – Bwlch Main Ridge loop from Snowdon Ranger offers a comprehensive circular experience of the mountain landscape, which may include seasonal cascades.

What is the best time of year to visit Llyn Cwellyn for waterfall hiking?

The best time to visit for waterfall hiking is typically after periods of rain, which ensures the waterfalls are flowing strongly. Spring and autumn offer vibrant colours and often good water levels, while summer provides warmer weather for hiking, though waterfalls might be less powerful during dry spells. Winter can be beautiful but requires appropriate gear for potentially icy conditions.

What do other hikers enjoy most about the waterfall trails in Llyn Cwellyn?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 5,700 reviews. Hikers often praise the dramatic mountain scenery, the tranquility of the glacial lake, and the diverse range of trails that cater to different abilities. The stunning views of Snowdon and the opportunity to explore unique natural features are frequently highlighted.

Are there any moderate waterfall hikes that offer good views?

Absolutely. A moderate option like the Dolbadarn Castle – Llyn Padarn Trail loop from Llanberis, while not explicitly a 'waterfall' route, takes you through woodlands and along a lake, offering pleasant views and potentially smaller cascades depending on rainfall. For more expansive mountain views, the Lake of the Servant's Spring – Bwlch Maesgwm loop from Llanberis provides significant elevation gain and panoramic vistas.

Where can I find parking for waterfall hikes around Llyn Cwellyn?

Parking is available at various points around Llyn Cwellyn. A National Trust car park is located to the north of the lake, providing access to footpaths and picnic areas. Additionally, starting points for popular routes like the Snowdon Ranger Path often have dedicated parking facilities. It's always advisable to arrive early, especially during peak season, as spaces can fill up quickly.

Are there any challenging waterfall hikes for experienced hikers?

Yes, for experienced hikers seeking a challenge, the Llyn Cwellyn area offers several difficult routes with significant elevation gain. The Lake of the Servant's Spring – Llanberis Path loop from Llanberis is a difficult 10.9-mile path featuring substantial ascents and panoramic views of the glacial lake and surrounding peaks, where you might encounter seasonal waterfalls.

What should I wear or bring for a waterfall hike in Llyn Cwellyn?

Given the varied terrain and unpredictable mountain weather, it's essential to be prepared. Wear sturdy, waterproof hiking boots with good grip, as paths can be wet and slippery near waterfalls. Layered clothing, including waterproof and windproof outer layers, is recommended. Bring plenty of water, snacks, a map or GPS device, and a first-aid kit. Trekking poles can also be helpful on steeper sections.

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