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United Kingdom
Wales
North Wales
Gwynedd
Maentwrog

Plas Tan y Bwlch lakes loop

Easy

4.1

(15)

40

hikers

Plas Tan y Bwlch lakes loop

01:57

6.65km

190m

Hiking

Hike the easy 4.1-mile Plas Tan y Bwlch lakes loop in Snowdonia National Park, featuring scenic lakes, historic gardens, and woodland paths.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Parking

Get Directions

1

1.73 km

Llyn Mair

Highlight • Structure

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 …

Translated by Google •

Tip by

2

1.97 km

Waterfall in Coed Hafod-y-Llyn

Highlight • Forest

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 …

Translated by Google •

Tip by

3

3.60 km

Llyn Hafod-y-Llyn

Highlight • Lake

Llyn Hafod-y-llyn is a pretty little lake surrounded by trees. Close to the Tan y Bwlch heritage railway station, you can enjoy history, beauty, wildlife and wonderful walking around the llyn and beyond.

Tip by

4

5.03 km

Llyn Trefor

Highlight • Forest

A small Wooded Lake.

Tip by

B

6.65 km

End point

Parking

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Way Types & Surfaces

Way Types

4.54 km

1.66 km

445 m

Surfaces

4.56 km

1.66 km

424 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Thursday 7 May

13°C

3°C

38 %

Additional weather tips

Max wind speed: 11.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Plas Tan y Bwlch lakes loop trail start and where can I park?

The trail typically starts near the Plas Tan y Bwlch Estate, which is now the Snowdonia National Park Authority's Environmental Studies Centre. Specific parking information is not provided in the available data, but it's common for trails within national parks to have designated parking areas near popular trailheads. It's advisable to check local signage upon arrival.

Is the Plas Tan y Bwlch lakes loop suitable for beginners or families?

Yes, the main loop around the lakes is considered an easy walk, making it suitable for beginners and families looking for a leisurely stroll. The paths are generally easy tracks and old estate paths. However, be aware that there is an optional extension to a viewpoint that involves steep uphill and downhill sections, significantly increasing the difficulty.

How long does it typically take to complete the Plas Tan y Bwlch lakes loop?

The main Plas Tan y Bwlch lakes loop takes approximately 1.5 hours to complete. If you choose to include the optional extension to the viewpoint, it can add at least two hours to your hiking time, especially if you pause to enjoy the panoramic views.

What is the terrain like on the Plas Tan y Bwlch lakes loop?

The terrain primarily consists of easy tracks and paths, including old estate paths from the 18th century and newer forestry tracks. While the core loop is relatively flat, hikers might encounter stiles. An optional extension features steep uphill and downhill sections.

What natural features and historical landmarks can I see along the route?

The route is rich in natural beauty and history. You'll walk around Llyn Mair and Llyn Hafod-y-Llyn, two lakes created in the late 1880s. You'll also pass through ancient woodlands, the meticulously maintained Victorian gardens of Plas Tan y Bwlch, and potentially see a waterfall in Coed Hafod-y-Llyn. Views over the Vale of Maentwrog and the River Dwyryd are prominent, and you might even hear the Ffestiniog Railway's steam trains. Historic features like old forestry roads and sections of the Sarn Helen Roman road are also present.

What kind of wildlife might I encounter on the trail?

The area is known for its diverse wildlife. Birdwatchers might spot species like the Pied Flycatcher, Wood Warbler, and Jay. Butterfly enthusiasts can look for the Holly Blue and Purple Hairstreak, especially in warmer months. In summer, water lilies can be seen on the lakes.

Is the Plas Tan y Bwlch lakes loop dog-friendly?

While the trail passes through a national park estate and woodlands, specific dog regulations are not detailed. Generally, dogs are welcome on trails in Snowdonia National Park but should be kept under close control, especially near livestock or wildlife, and on a leash in certain areas. Always clean up after your dog.

What is the best time of year to hike the Plas Tan y Bwlch lakes loop?

The trail offers beauty year-round. In summer, you can enjoy water lilies on the lakes and a variety of butterflies. The ancient woodlands and Victorian gardens are picturesque in spring and autumn. Always check weather conditions before you go, as Snowdonia weather can be unpredictable.

Are there any permits or entrance fees required for hiking in Snowdonia National Park, specifically for this trail?

Generally, there are no specific permits or entrance fees required for hiking public footpaths within Snowdonia National Park, including the Plas Tan y Bwlch lakes loop. However, if you plan to visit the Plas Tan y Bwlch gardens or other specific attractions within the estate, there might be separate entry fees. Parking may also incur a charge.

Does the Plas Tan y Bwlch lakes loop connect with any other well-known trails?

Yes, sections of this route intersect with other recognized paths. Approximately 20% of the trail overlaps with the National Cycle Network National Route 82, and about 12% is part of the 50 Peaks View Walk.

Is there an optional extension to the Plas Tan y Bwlch lakes loop, and how does it affect the difficulty?

Yes, there is an optional extension that leads to a viewpoint. While the main lakes loop is easy, this extension involves steep uphill and downhill sections, significantly increasing the overall difficulty of the hike. It can add at least two hours to your journey, but it offers panoramic views.

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Trail Reviews

gil bryan
March 29, 2024, Plas Tan y Bwlch lakes loop — Parc Cenedlaethol Eryri | Snowdonia National Park

What an excellent walk! Perfect for dog walkers!, don't forget your camera as the views of the lakes and mountains are stunning! Enjoy!!

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