Best lakes around Llanrug are situated in a region characterized by its mountainous terrain and glacial valleys, which have shaped numerous natural lakes. This area is part of Snowdonia, known for its diverse landscapes including peaks, cwms, and bodies of water. The lakes here vary in size and accessibility, providing different experiences for visitors. Many are set within dramatic natural surroundings, reflecting the geological history of the region.
Last updated: June 20, 2026
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Start this hike early in the day. I started late and ended up doing the steep rocky descent when it was getting dark and drizzling, which made it feel much harder. Once you hit the lakes it becomes easy, but the upper rocky section needs proper shoes and slow steps. Leave the summit before 3 PM so you reach the lakes in daylight. With better timing and good grip shoes, this route becomes a smooth and enjoyable hike instead of a long, tiring one.
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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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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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I only walked part of PYG Track on the way up to the Crib Goch diversion. But this seemed a very straightforward hiking path to follow.
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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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Among the most popular lakes are Cwm Idwal, known for its stunning views of Tryfan and Pen Yr Ole Wen, and Llyn Llydaw (Brittany Lake), nestled amid dramatic mountain peaks. Visitors also frequently enjoy Llyn Padarn, located directly next to Llanberis Village.
Yes, several areas offer family-friendly options. The circular walk around Cwm Idwal from the visitor center is suitable for families. Additionally, the Miners' Track in Snowdonia National Park is considered an easier path, ideal for families looking to visit the lakes and ruins without a strenuous summit climb. For more easy walks, explore the easy hikes around Llanrug.
The region is characterized by mountainous terrain and glacial valleys, offering dramatic landscapes. You'll find natural lakes, often with pebble beaches like the one at Llyn Llydaw. Many lakes are set within cwms (glacial valleys), providing stunning views of peaks like Tryfan and Pen Yr Ole Wen from places like Cwm Idwal.
Yes, the area has a rich history, particularly related to slate mining. Llanberis Village, located on Llyn Padarn, was once a slate mining town, and the Dinorwig Quarry's slate tips are a stark reminder of this heritage. The Miners' Track also leads past historical ruins.
The lakes around Llanrug are excellent for various outdoor activities. You can enjoy hiking, from easy strolls around Llyn Padarn to challenging mountain hikes towards summits like Snowdon. There are also opportunities for gravel biking. Explore more options in the Mountain Hikes around Llanrug and Gravel biking around Llanrug guides.
Absolutely. The region, being part of Snowdonia, offers numerous challenging mountain hikes. For instance, Y Garn Summit provides breathtaking views but involves steep ascents and descents. Many routes to Snowdon's summit also pass by or offer views of the lakes. You can find more challenging options in the Mountain Hikes around Llanrug guide.
The best time to visit generally depends on your preferred activities. Spring and summer offer milder weather, longer daylight hours, and vibrant landscapes, ideal for hiking and exploring. Autumn brings beautiful fall colors, while winter can offer dramatic, snow-capped scenery for experienced hikers, though conditions can be challenging.
While some visitors may cool off at pebble beaches, such as the one at Llyn Llydaw, it's important to note that swimming is generally not permitted in certain areas, such as Llyn Idwal, as it is within a nature reserve. Always check local signage and regulations before entering the water.
Visitors frequently praise the stunning natural beauty and dramatic mountain backdrops. The views of peaks like Tryfan and Pen Yr Ole Wen from Cwm Idwal are highly appreciated. Many also enjoy the variety of activities, from gentle walks around Llyn Padarn to challenging mountain ascents, and the opportunities for photography.
While popular spots like Cwm Idwal and Llyn Padarn can attract many visitors, exploring some of the smaller, less accessible lakes or visiting during off-peak times (early mornings, weekdays, or outside of summer holidays) can offer a more tranquil experience. The vastness of Snowdonia also means many hidden gems await discovery.
The Snowdonia National Park is rich in biodiversity. Around the lakes, you might spot various bird species, including raptors soaring above the mountains. Keep an eye out for mountain goats and other hardy mammals adapted to the upland environment. The diverse flora, especially in spring and summer, also adds to the natural beauty.


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