Best lakes around Llanelltyd are situated within Snowdonia National Park, offering diverse natural landscapes. This region in Wales provides access to various lakes, from serene waters to those set against dramatic mountain backdrops. The area is characterized by its mountainous terrain and historical significance, providing a setting for outdoor exploration.
Last updated: May 6, 2026
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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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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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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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The region boasts several beautiful lakes. Cregennan Lakes are twin lakes known for their exceptional beauty and photogenic qualities, with mountains rising around them and views down to Barmouth. Llyn Cau, nestled within the Cadair Idris range, is a stunning glacial lake. Llyn Tan-y-Graig is also considered one of the most beautiful, offering views of Cadair Idris across the water.
Yes, Cregennan Lakes are family-friendly and owned by the National Trust, offering free access and accessible facilities. Llyn Cynwch, part of the historic Nannau estate, is also considered family-friendly, especially when combined with the Precipice Walk.
Wild swimming is possible in some lakes, but caution is advised. Llyn Cau is a popular spot for a wild swim during the ascent of Cadair Idris, but it is notably deep (around 50 meters) and rocks can be sharp. Swimming is generally not allowed in Llyn Cynwch as it serves as a working water basin for Dolgellau.
Many lakes are integrated into popular hiking routes. The Precipice Walk offers breathtaking views and glimpses of Llyn Cynwch. The New Precipice Walk, which passes Llyn Tan-y-Graig, provides stunning panoramic views of Southern Snowdonia. For more challenging routes, trails around Cadair Idris lead to Llyn Cau and Llyn y Gadair. You can find more hiking options in the Hiking around Llanelltyd guide.
Yes, Llyn Cynwch, part of the historic Nannau estate, has supplied drinking water to Dolgellau since 1968. Llyn Cau and Llyn y Gadair, both in the Cadair Idris range, are steeped in local folklore and legends surrounding the giant Idris.
Cregennan Lakes are particularly photogenic, with mountains and views down to Barmouth. Llyn Cau, especially when viewed from above on the Cadair Idris ridge, offers spectacular colors. Llyn Tan-y-Graig also provides lovely views of Cadair Idris across its waters, ideal for scenic shots.
While some areas are more accessible by car, public transport options exist to reach the general vicinity of Llanelltyd and Dolgellau. From there, local services or walking may be required to reach specific lakes. For detailed public transport information to specific trailheads like the Precipice Walk or Cadair Idris, it's best to check local bus schedules.
Many of the walking trails around the lakes are dog-friendly, but it's important to keep dogs under control, especially in areas with livestock or ground-nesting birds. Always follow the Snowdonia National Park's dog walking regulations, which typically require dogs to be on a lead in certain areas. Specific restrictions may apply around water sources like Llyn Cynwch due to its role as a drinking water supply.
The spring and summer months (April to September) generally offer the most pleasant weather for exploring the lakes and trails, with longer daylight hours. Autumn brings beautiful foliage, while winter can offer dramatic, quieter landscapes but requires appropriate gear for potentially challenging conditions, especially at higher elevations.
Yes, Cregennan Lakes offer accessible paths and facilities, making them suitable for various abilities. The latter part of the Precipice Walk, which strolls along the banks of Llyn Cynwch, is also described as a beautiful short walk for all abilities.
Parking is available for popular walks. For the Precipice Walk, parking is typically found near the start of the trail. Cregennan Lakes have a National Trust car park, making them very accessible. For trails leading to Cadair Idris and lakes like Llyn Cau, parking is often available at trailheads like Tŷ Nant.
Fishing is permitted in some lakes, but typically requires a permit. Cregennan Lakes are known as a fishing spot. It's essential to obtain the necessary permits from local authorities or fishing associations before attempting to fish in any of the lakes within Snowdonia National Park.
Beyond hiking, the area around Llanelltyd offers a range of outdoor activities. You can explore mountain biking trails like the Mawddach Trail, which is an easy route, or more challenging options such as the Beast of Brenin Trail. For more strenuous adventures, mountain hikes in the Cadair Idris Range are popular. Discover more options in the MTB Trails around Llanelltyd guide and the Mountain Hikes around Llanelltyd guide.


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