Top 14 Lakes around Dyffryn Ardudwy
Best lakes around Dyffryn Ardudwy are situated in Gwynedd, Wales, a region characterized by its scenic natural landscapes and diverse aquatic environments. The area features a range of lakes, from natural bodies of water nestled among mountains to unique quarry lakes. These locations offer opportunities for activities such as hiking and fishing, set against a backdrop of mountain and estuary views. The varied geography provides a setting for exploring its lake attractions.
Best lakes around Dyffryn Ardudwy
- The most popular…
Last updated: May 6, 2026
Llyn Cynwch
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Cregennan Lakes
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Climb to Llynnoedd Cregennen from Arthog
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Blue Lake Quarry
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Lake Gwernan
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Other adventures around Dyffryn Ardudwy
Tips from the Community
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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Mega Tough - At the top its worth it!
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quarry has an workings challenge to ride up in without stopping
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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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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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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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A working reservoir that provides water for nearby Dolgellau. Local legend has it that fairies live here so keep an eye out!
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Frequently Asked Questions
Which lakes near Dyffryn Ardudwy are suitable for easy walks?
For an easy and peaceful circular route, consider Llyn Cynwch. It offers a gentle, flat path along its banks and is suitable for families and dog walkers. The Cregennan Lakes also provide accessible paths and are free to visit.
Are there family-friendly lakes around Dyffryn Ardudwy?
Yes, several lakes are great for families. Llyn Cynwch offers a gentle circular walk, perfect for all abilities. The Cregennan Lakes are also family-friendly with good accessibility and stunning views. Lake Gwernan, nestled in woodlands, is another lovely spot for a family pause.
Where can I find parking at the lakes near Dyffryn Ardudwy?
A large car park with toilets is available near Llyn Cynwch, though it can get busy on sunny weekends. The Cregennan Lakes also have a National Trust car park, making them very accessible.
Which lakes offer the best views in the Dyffryn Ardudwy area?
The Cregennan Lakes are renowned for their stunning views of the surrounding mountains and the Mawddach Estuary towards Barmouth, making them highly photogenic. Llyn Cynwch, especially when combined with the Precipice Walk, offers breathtaking vistas above the Mawddach Valley. Lake Gwernan provides eye-catching views beneath the imposing Cadair Idris.
Are there any dog-friendly lake trails near Dyffryn Ardudwy?
Yes, the circular route around Llyn Cynwch is known to be suitable for dog walkers, offering a peaceful stroll along its banks.
Can I go wild swimming in the lakes around Dyffryn Ardudwy?
Swimming is generally not permitted in some lakes. For example, Llyn Cynwch is a working reservoir supplying drinking water for Dolgellau, so swimming is not allowed there.
What unique lake experiences can I find near Dyffryn Ardudwy?
For a truly unique experience, visit the Blue Lake Quarry. While not a natural lake, this old quarry features striking blue water viewed from a slate slope, offering an intriguing and distinct landscape.
Are there any wheelchair-accessible routes around the lakes?
The Cregennan Lakes are noted for their accessibility, with a National Trust car park making it easier for all users to enjoy the beautiful scenery.
What outdoor activities can I do near the lakes around Dyffryn Ardudwy?
Beyond enjoying the lakes themselves, you can find various outdoor activities. There are numerous hiking opportunities, including easy, moderate, and difficult trails. You can explore these on the Hiking around Dyffryn Ardudwy guide. Cycling and mountain biking routes are also available, detailed in the Cycling around Dyffryn Ardudwy and MTB Trails around Dyffryn Ardudwy guides.
Which lakes are good for fishing near Dyffryn Ardudwy?
Llyn Cynwch is a top fishing spot in the area, managed by the Dolgellau Angling Association. Lake Gwernan is also a private fishing lake, owned by an adjacent hotel, set amidst gorgeous woodlands.
What is Llyn Irddyn like and how do I access it?
Llyn Irddyn is a moorland lake located approximately 2.5 miles east of Dyffryn Ardudwy. Access involves a lane from Tal-y-bont, followed by a tarmaced bridlepath, and then a rougher path leading to the lake. The west side of the lake is known for its uneven terrain.
What do visitors enjoy most about the lakes around Dyffryn Ardudwy?
Visitors particularly appreciate the stunning natural beauty and diverse landscapes. The serene escape offered by spots like Cregennan Lakes with their dramatic mountain and estuary views, and the unique experience of the Blue Lake Quarry, are frequently highlighted. The accessibility and varied activities, from peaceful strolls to challenging hikes, also contribute to a highly positive visitor experience.
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