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Dolgellau

Top 19 Lakes around Dolgellau

Best lakes around Dolgellau are situated in Southern Snowdonia, a region characterized by its mountainous terrain and diverse natural landscapes. The area features a variety of lakes, from high-altitude glacial pools to accessible reservoirs and larger natural bodies of water. These lakes are often nestled within dramatic scenery, offering opportunities for walking and appreciating the natural environment. Dolgellau serves as a base for exploring these varied aquatic features.

Best lakes around Dolgellau

  • The most popular lakes is Llyn Cau,…

Last updated: May 6, 2026

Llyn Cau

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Llyn Cau has an ambience all of its own. This is a beautiful high mountain pool watched over by the frowning cliffs of Craig Cwm Amarch and Penygadair, Cadair Idris' …

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Llyn Cynwch

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Llyn Cynwch acts as both a 'prequel' and 'sequel' to the Precipice Walk, one of the most famous and popular walks in the area with breathtaking views. You'll get a …

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Cregennan Lakes

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These twin lakes are particularly beautiful and lie just north of Cadair Idris. Both are owned by the National Trust and are free to visit. With mountains rising around them …

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Glasgwm summit and Llyn y Fign

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Glasgwm is a hugely charismatic peak in Southern Snowdonia's Aran range. Craig Cywarch, its east-facing cliffs are particularly striking and are frequented by rock climbers. Its summit is dotted with …

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From Cwm Cau, the impressive pointed summit of Craig Cwm Amarch looks even mightier than Cadair Idris' main Penygadair summit. It is certainly the most airy summit in the massif …

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Alex Foxfield

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Annja
August 31, 2025, Cregennan Lakes

First, a somewhat adventurous ride on the single track to the parking lot, which costs £5. The easy loop around the lake is very beautiful and relaxing – the sheep roam freely, but they keep their distance. Dogs must be on a leash, of course, but that's not a problem. Enjoy it – and if you're up for more, go for a longer loop. There are a few tables and benches above the parking lot for your picnic. You won't find any litter baskets, so you'll have to take them with you – which is perfectly fine, as it's a nature reserve. Highly recommended.

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We camped in bad weather but what a place to see

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https://hoofhike.com/ 👈

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Very nice pre-summit on the way to Pen-y-Cadair

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take a little time, have a sit and let it soak in

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A quieter peak compared to the Eryri hotspots with great views of Cardigan Bay.

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Zoe Evans
November 17, 2023, Llyn Cynwch

A circular walk through the historical Nannau estate and along the shore of Llyn Cynwch The Precipice has a fantastic array of qualities. From habitats such as woodlands and meadows to captivating views of Snowdonia’s mountain ranges. The path will take you through part of the Nannau estate which dates back to the 12th century and is steeped in fascinating Welsh history. The route ends on the shores of Llyn Cynwch—a working reservoir that provides nearby Dolgellau with water.

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Dominiek Van Dooren
September 23, 2023, Llyn Cynwch

Llyn Cynwch acts as both a 'prequel' and 'sequel' to the Precipice Walk, one of the most famous and popular walks in the area with breathtaking views. You'll get a glimpse of the lake if you take the route counterclockwise and you'll see it in all its glory if you finish the walk with a nice, steady stroll along the banks. Together with the Precipice Walk it is part of the historic Nannau estate and is a working water basin that has supplied drinking water for Dolgellau since 1968. Because it is a water basin, swimming is not allowed. (DOLGELLAU.uk)

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Frequently Asked Questions

Are there easy and family-friendly lake walks around Dolgellau?

Yes, Llyn Cynwch offers gentle, flat, circular walks suitable for families with young children and dogs. It's part of the renowned Precipice Walk and provides a peaceful stroll along its banks. The Cregennan Lakes are also considered family-friendly and are easily accessible with a National Trust car park.

Where can I find challenging hikes involving lakes near Dolgellau?

For a challenging experience, consider a hike to Llyn Cau, a high mountain pool dramatically overlooked by the cliffs of Craig Cwm Amarch and Penygadair, Cadair Idris' main summit. The area around Glasgwm summit and Llyn y Fign also offers challenging routes to a high-altitude lake. You can find more challenging routes in the Mountain Hikes around Dolgellau guide.

Are there opportunities for fishing at the lakes near Dolgellau?

Yes, fishing is a popular activity. Llyn Cynwch is a top fishing spot managed by the Dolgellau Angling Association. The Cregennan Lakes are also popular for fishing, offering both wild brown trout and regularly stocked blue and rainbow trout, with specific regulations for fly fishing. Further afield, Trawsfynydd Lake is also known for fishing.

Can I go wild swimming in the lakes around Dolgellau?

Wild swimming is generally restricted in some lakes to protect water quality and rare species. For example, swimming is not permitted in Llyn Cynwch as it is a working reservoir supplying drinking water. Similarly, wild swimming and paddleboarding are prohibited at Cregennan Lakes. Always check local regulations before attempting to swim in any lake.

What are the parking options for visiting the lakes?

Many lakes have dedicated parking. For Llyn Cynwch, there is a large car park with toilets at Coed y Groes. The Cregennan Lakes also have a large National Trust car park, making them very accessible. For Llyn Cau, the easiest approach is to park at the Tŷ Nant car park and follow the Pony Path.

Are there any lakes with historical or mythical significance?

Yes, Llyn Cau, nestled in the foothills of Cader Idris, is steeped in local folklore. Legend tells of a terrifying serpent, the Afanc, dwelling in its depths, adding a mythical allure to its dramatic natural beauty. Llyn Cynwch is also part of the historic Nannau estate.

What other outdoor activities can I do near the lakes around Dolgellau?

Beyond lake walks, the Dolgellau area offers diverse outdoor activities. You can explore various easy hikes, challenging mountain hikes, and scenic running trails. Llyn Tegid (Bala Lake), a short drive away, is a hub for watersports like sailing, canoeing, and windsurfing.

Which lakes offer the best panoramic views?

The Cregennan Lakes, situated on the northern slopes of the Cader Idris mountain range, offer exceptional beauty and panoramic views over the Mawddach Estuary and Barmouth Bridge. A path leading up Pared y Cefn Hir from Cregennan provides even more spectacular vistas. The New Precipice Walk, near Llyn Tan-y-Graig, also provides expansive panoramic views of Southern Snowdonia.

Are there any large lakes suitable for watersports near Dolgellau?

Yes, Llyn Tegid (Bala Lake), about a 25-minute drive from Dolgellau, is Wales' largest natural lake and a popular spot for various watersports, including sailing, canoeing, and windsurfing. The surrounding hills also offer excellent walking opportunities.

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

The diverse natural landscapes around Dolgellau's lakes support various wildlife. While specific details for each lake vary, the area is rich in birdlife and aquatic species. The protection of rare species is a reason for restrictions on activities like wild swimming in some lakes, indicating a sensitive ecosystem.

Is there a lake that was once a source of drinking water for a local village?

Yes, Llyn Tan-y-Graig once served as a source of drinking water for the village of Llanelltyd. It is also recognized for its beauty and offers lovely views of Cader Idris reflected in its waters, especially from its southern banks and through the conifer wood at its northern end.

Can I find information about Cregennan Lakes from an external source?

Yes, you can find more information about the Cregennan Lakes on the Visit Mid Wales website.

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

SnowdoniaBeddgelertLlandygaiBetws GarmonLlanberisLlanllechidLlanrugLlanddeiniolenWaunfawrLlanllyfniLlandwrogBethesdaDolbenmaenFfestiniogAberPentirGanllwydLlanfihangel-Y-PennantLlanfrothenCorrisLlanelltydArthogBarmouthBrithdir And LlanfachrethMawddwyBryn-CrugLlanegrynLlangelyninLlanwndaPennalTrawsfynyddMaentwrogDyffryn ArdudwyTalsarnauPorthmadogPenrhyndeudraethLlanbedrLlanuwchllynLlandderfelLlanfairLlangywerHarlechCaernarfonBontnewyddLlanycilY FelinheliBangorClynnogBalaTywynBala LakeAberdovey

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