4.5
(2366)
20,440
hikers
19
hikes
Hikes around Coed Llyn y Garnedd explore a landscape of mixed woodland and small lakes within Snowdonia National Park. The terrain is characterized by gentle hills rather than high peaks, with routes following forest paths and gravel roads. Key features include the lakes of Llyn Mair and Llyn y Garnedd, which are central points for many of the area's walking trails.
Last updated: July 7, 2026
4.2
(18)
49
hikers
6.65km
01:57
190m
190m
Hike the easy 4.1-mile Plas Tan y Bwlch lakes loop in Snowdonia National Park, featuring scenic lakes, historic gardens, and woodland paths.
3.9
(7)
17
hikers
6.51km
01:48
120m
120m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.6
(8)
40
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(6)
29
hikers
7.13km
02:07
220m
220m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(6)
19
hikers
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Nice place to stop: coffee and cake, but also hearty food
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Llyn Mair (Mary's Lake) is a Victorian decorative feature said to have been built by William Edward Oakeley for his daughter. In addition to an extravagant gift, the lake began supplying hydroelectric power to Plas and other surrounding villages in 2013. (Woodland Trust)
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This remote and ethereal ancient oak woodland was once part of a historic estate and slopes gently towards Llyn Mair (Mary's Lake). A network of trails offers spectacular views across Snowdonia National Park, while steam trains from the iconic Ffestiniog Railway wind along the border. With rare wildlife and an abundance of beautiful flora, Coed Hafod y Llyn is the perfect forest destination for train enthusiasts and nature lovers. (Woodland Trust)
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A large and remote mountain in the Moelwynion range, and subsidiary summit to the larger and nearby Moelwyn Mawr. The summit is best accessed via the rocky Craigysgafn ridge line. As with many of the mountains in the Moelwynion range, it's pretty unlikely you'll bump into the crowds as found in certain other regions of the National Park. It's a perfect place to get a true wild mountain experience, and avoid queues for summit cairns.
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A large reservoir, and a part of the Ffestiniog power station.
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Moelwyn Bach 710m P124 (2329ft) The Mountains of England & Wales Definitive List
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Most of the trails in this area are considered easy, making it a great destination for relaxed walking. The landscape features gentle hills and woodland paths rather than steep mountain climbs. Out of nearly 20 available routes, the vast majority are rated as easy, with only a couple of moderate or difficult options for those seeking more of a challenge.
Yes, there are several circular routes. While some paths to Llyn y Garnedd itself are out-and-back, many popular trails are designed as loops. For a longer, more challenging circular hike, consider the Ffestiniog Railway Trail – Waterfall in Coed Hafod-y-Llyn loop from Maentwrog, which covers over 18 km and includes significant elevation.
Yes, the woodlands and trails around Coed Llyn y Garnedd are generally well-suited for walking with dogs. The area offers plenty of space for them to explore. As it's a mix of forestry and natural habitat with potential wildlife, it's always best to keep your dog under control, especially near the lakes.
The Tan y Bwlch railway station, part of the historic Ffestiniog Railway, is an excellent starting point for many hikes. Several trails begin directly from the station, allowing you to arrive by heritage train and start your walk immediately.
There are a couple of small parking areas available. One is located at the Tan y Bwlch railway station, which is a convenient starting point for many trails. Another small car park can be found off the A4410, offering access to a pleasant woodland stroll towards the lake.
Absolutely. The gentle terrain and well-defined forest paths make this area ideal for families. Many of the shorter, easier loops around Llyn Mair and Coed Hafod-y-llyn are perfect for walkers of all ages.
The landscape is a beautiful mix of managed forestry and ancient semi-natural woodland, with serene lakes like Llyn y Garnedd and Llyn Mair. You can expect to see a variety of trees, mosses, and seasonal flowers. Keep an eye out for birdlife such as buzzards, pied flycatchers, and ducks on the lakes. The area is also a habitat for more elusive animals like pine martens.
Yes, you can find waterfalls within the woodlands. For a route that specifically features one, the Llyn Hafod-y-Llyn – Waterfall in Coed Hafod-y-Llyn loop from Tan y Bwlch is a lovely short walk that takes you past a waterfall in Coed Hafod-y-Llyn.
While the immediate vicinity of the trails is quite secluded, a short drive will get you to some great options. For a place with facilities, the nearby Coed y Brenin Forest Park has a visitor centre with a popular cafe, perfect for a post-hike coffee and cake.
The area is highly regarded by the komoot community, with an average rating of 4.5 stars. Hikers often praise the tranquil atmosphere, the beautiful secluded lakes, and the peaceful woodland paths that offer an escape from more crowded destinations.
A typical round trip to the serene Llyn y Garnedd from one of the nearby car parks takes about 1.5 to 2 hours. The journey is mostly uphill on the way to the lake along gravel roads and woodland paths, but it is not considered overly strenuous.


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