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Llanberis

Top 20 Lakes around Llanberis

Best lakes around Llanberis are found within Snowdonia National Park, an area characterized by its mountain scenery and diverse bodies of water. The region's lakes, including Llyn Padarn, Llyn Peris, and Llyn Cwellyn, are primarily glacial in origin. This landscape offers a combination of natural beauty, historical sites related to the slate industry, and opportunities for outdoor activities.

Best lakes around Llanberis

  • The most popular lakes is Cwm Idwal, a lake known for its views of Tryfan and Pen…

Last updated: May 6, 2026

Y Garn Summit

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Y Garn of the Glyderau is a mountain of two halves. On one side it drops in continuous green slopes to the pass of Llanberis. On its other it’s a …

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Llanberis Village and Llyn Padarn

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Llanberis is synonymous with Yr Wyddfa (Snowdon). It's a popular starting point for some of the easier ways to the roof of Wales. Whether it’s via the Llanberis Path or …

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Cwm Idwal

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A beautiful lake with stunning views to Tryfan and Pen Yr Ole Wen. There is a circular walk from the visitors centre which takes you around the lake or you …

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Llyn Llydaw (Brittany Lake)

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Llyn Llydaw is a beautiful natural lake nestled amid dramatic mountain peaks. The beach at the far end is the perfect place to cool off before the final descent to Pen-y-Pass.

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Llyn Glaslyn (Glaslyn Lake)

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The east side of the Snowdon massif is a sensational natural amphitheatre. A horseshoe of charismatic summits: twin peaked Y Lliwedd, towering Garnedd Ugain, the notoriously narrow Crib Goch and …

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Other adventures around Llanberis

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Jen & Sim Benson

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Clive G
October 27, 2025, Y Garn Summit

Y Garn is a fine hill, usually climbed from Ogwen Valley by it's West ridge, or as part of the walk along the Glyders range between Elidir Fawr and the Glyders themselves. There is however another way up, the East Ridge, which is a Grade 2 scramble and starts from Llyn Idwal.

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Cool cave that many people walk past, going on for quite a bit!

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Amazing place, feels other worldly

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Llyn Idwal is a lake (approximately 800 by 300 metres, or 28 hectares) in Cwm Idwal in the Glyderau Mountains of Snowdonia. On the north-western edge of Llyn Idwal is a small pebble beach, which is occasionally used by visitors for recreation. Swimming is not permitted as it is in a nature reserve.

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Great few hours spent. Fairly easy hike.

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Anton
August 29, 2024, Y Garn Summit

It can be windy and cloudy here. There are marks to find a trail in the cloud. Also on the top there is a nice area to hide from wind and rest. If not in the cloud, the view is awesome

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DULMI
October 22, 2023, Llyn Llydaw

Llyn Llydaw (the name comes from the Welsh and means Brittany Lake) is a long, thin lake. It is one of the most visited lakes in the UK. Many walk past this lake on the Miners' Track.

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William Cook
October 4, 2023, Y Garn Summit

A large and grassy mountain, in the Glyderau range. With a summit of 914 metres above sea level, Y Garn is the 10th highest of the 15 Welsh 3000s. Y Garn translates to "The Rock or The Cairn", making it a relatively common name for a mountain, resulting in this Y Garn, being one of four Y Garns in Wales, but this one is the biggest and arguable the most majestic! On a good day, the summit provides unmatched views of the North Wales coast, Snowdon and the Ogwen Valley.

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Frequently Asked Questions

What makes the lakes around Llanberis unique?

The lakes around Llanberis, nestled in Snowdonia National Park, are primarily glacial in origin, offering stunning mountain scenery. They provide a diverse range of experiences, from watersports and historical exploration to tranquil walks and challenging mountain hikes. Notable lakes include Llyn Padarn, Llyn Peris, and Llyn Cwellyn, each with distinct features and surrounding landscapes.

What outdoor activities can I do on or around the lakes?

Llyn Padarn is a hub for watersports like swimming, canoeing, kayaking, paddleboarding, and fishing. For hiking, you can explore trails around Llyn Cwellyn, which is a popular starting point for routes like the Snowdon Ranger Path. The area also offers various hiking and cycling routes. For easy hikes, check out Easy hikes around Llanberis. For more challenging mountain adventures, explore Mountain Hikes around Llanberis, or for cycling, see Road Cycling Routes around Llanberis.

Are there family-friendly activities or walks near the lakes?

Yes, several areas are family-friendly. Llanberis Village and Llyn Padarn offer attractions like the Llanberis Lake Railway, which runs along the northern shore of Llyn Padarn. The Padarn Country Park, located at the south-eastern end of Llyn Padarn, includes the National Slate Museum and various themed trails. Cwm Idwal also offers a circular walk from its visitor center suitable for families.

What historical or cultural sites are near the lakes?

Near Llyn Padarn, you can visit the medieval Dolbadarn Castle, built by Llywelyn the Great, offering splendid views. The Padarn Country Park also hosts the National Slate Museum and the old Quarry Hospital Museum, showcasing the region's slate industry heritage. The largest waterwheel on the UK mainland can be seen at Gilfach Ddu. The ruins of the Dinorwig slate quarry overlook Llyn Peris.

Can I go wild swimming in the lakes?

Llyn Padarn is a popular spot for swimming, especially during summer. However, swimming is not permitted in Cwm Idwal as it is part of a nature reserve. Always check local regulations and safety guidelines before entering any water body.

What kind of wildlife can I expect to see around the lakes?

The lakes are rich in wildlife. Llyn Padarn and Llyn Peris are home to a genetically unique population of Arctic char. Lucky visitors might also spot otters and kingfishers around Llyn Padarn, and the nationally rare floating water-plantain thrives there. Llyn Cwellyn also supports a natural population of Arctic char and brown trout, with otters regularly seen near Castell Cidwm.

Are there accessible paths or trails for wheelchairs around the lakes?

While specific wheelchair-accessible paths are not detailed for all lakes, the Padarn Country Park near Llyn Padarn offers various themed trails. It's advisable to check with local visitor centers for the most up-to-date information on accessible routes.

What are some popular viewpoints around the lakes?

Many areas offer stunning views. The walk around Llyn Padarn provides numerous photo opportunities, including the iconic 'Lone Tree' against the backdrop of Pen y Pass. Llyn Peris offers spectacular views of the surrounding mountains and the Dinorwig Quarry ruins. From Y Garn Summit, you can enjoy breathtaking views of Llyn Ogwen, Llyn Idwal, and Llyn Clyd. Llyn Llydaw (Brittany Lake) is also known for its dramatic mountain backdrop.

What is the best time of year to visit the Llanberis lakes?

The summer months are popular for outdoor activities like watersports on Llyn Padarn. However, the region's natural beauty can be enjoyed year-round. Spring and autumn offer vibrant colors and cooler temperatures for hiking, while winter provides a dramatic, often snowy, landscape for those prepared for colder conditions.

Are dogs allowed on trails around the lakes?

Many trails in Snowdonia National Park are dog-friendly, but it's important to keep dogs under control, especially near livestock or wildlife. Always check specific trail regulations and ensure your dog is on a lead where required. For example, the circular walk around Llyn Padarn is generally dog-friendly.

Where can I find parking near the lakes?

Parking is available in Llanberis village, which serves as a starting point for exploring Llyn Padarn and routes to Snowdon. Specific parking areas are also available near popular trailheads, such as those for Llyn Cwellyn and Cwm Idwal. It's recommended to arrive early during peak season as spaces can fill up quickly.

How long does it take to walk around Llyn Padarn?

A well-marked footpath allows visitors to walk around Llyn Padarn. The full circuit is approximately 8-9 kilometers (5-5.5 miles) and typically takes around 2-3 hours to complete, depending on your pace and stops for views.

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Still not found your perfect lake around Llanberis? Check out the guides of these regions to see even more beautiful places.

SnowdoniaBeddgelertLlandygaiBetws GarmonLlanllechidWaunfawrLlanddeiniolenLlanrugLlanllyfniLlandwrogBethesdaDolbenmaenFfestiniogAberPentirGanllwydLlanfihangel-Y-PennantLlanfrothenCorrisLlanelltydDolgellauArthogBarmouthBrithdir And LlanfachrethMawddwyBryn-CrugLlanegrynLlangelyninLlanwndaPennalTrawsfynyddMaentwrogDyffryn ArdudwyTalsarnauPorthmadogPenrhyndeudraethLlanbedrLlanuwchllynLlandderfelLlanfairLlangywerHarlechCaernarfonBontnewyddLlanycilY FelinheliBangorClynnogBalaTywynBala LakeAberdovey

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Things to Do around Llyn Peris

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