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North Wales
Gwynedd
Llanfihangel-Y-Pennant

Minffordd Path to Llyn Cau

Moderate

4.6

(18)

131

hikers

Minffordd Path to Llyn Cau

02:47

6.67km

430m

Hiking

Hike the Minffordd Path to Llyn Cau, a 4.1-mile route with 1399 feet of elevation gain, offering stunning glacial lake views in Cadair Idris

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

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1

880 m

Llyn Cau on the Minffordd Path

Highlight (Segment) • Lake

The Minffordd path should not be underestimated. It is a steep climb with alternating stairs, gravel paths, and rough rocky trails. The small lake Llyn Cau is a pleasant break along the way. Don't linger there too long.

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2

2.45 km

Llyn Cau

Highlight • Viewpoint

Llyn Cau has an ambience all of its own. This is a beautiful high mountain pool watched over by the frowning cliffs of Craig Cwm Amarch and Penygadair, Cadair Idris' …

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B

6.67 km

End point

Parking

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Way Types & Surfaces

Way Types

3.34 km

3.01 km

249 m

< 100 m

< 100 m

Surfaces

2.91 km

2.54 km

1.16 km

< 100 m

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Elevation

Elevation

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

Highest point (520 m)

Lowest point (100 m)

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Weather

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Sunday 31 May

17°C

12°C

92 %

Additional weather tips

Max wind speed: 16.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Minffordd Path to Llyn Cau trail start and where can I park?

The Minffordd Path typically starts from the Dôl Idris car park, which is the main access point for this route. It's advisable to arrive early, especially during peak season, as parking can fill up quickly.

How challenging is the Minffordd Path to Llyn Cau?

This route is considered moderate according to komoot's grading, but it is known for being the shortest yet steepest of the main routes up Cader Idris. The initial section involves a steep climb through woodlands with many stone steps, and the path around Llyn Cau and towards Craig Cau Ridge features steep inclines and loose rocks, requiring careful footing. A good level of fitness is essential.

What kind of terrain should I expect on this hike?

The terrain varies significantly. You'll start on stone steps through enchanting woodlands alongside the Nant Cadair Gorge. As you ascend, the path opens up to rugged mountain terrain, including steep hills and rough country, with some sections potentially involving scrambling, especially along the Craig Cau Ridge.

What are the main points of interest along the route?

The absolute highlight is the magnificent Llyn Cau, a stunning glacial lake nestled in a dramatic bowl-shaped hollow. You'll also enjoy views of tumbling waterfalls in the lower sections and breathtaking vistas across Cwm Cau, Mynydd Moel, and the pointed peaks of Craig Cau and Penygadair as you gain elevation. The area is also a National Nature Reserve, home to unique Arctic-alpine plants.

Is the Minffordd Path to Llyn Cau suitable for dogs?

Yes, dogs are generally welcome on the Minffordd Path. However, as the trail passes through the Cadair Idris National Nature Reserve and potentially near grazing livestock, it is crucial to keep dogs on a leash at all times to protect wildlife and ensure their safety.

Do I need a permit or pay an entrance fee to hike this trail?

No, you do not need a permit or to pay an entrance fee to hike the Minffordd Path to Llyn Cau. The trail is freely accessible to the public. However, there may be a charge for parking at the Dôl Idris car park.

What is the best time of year to hike the Minffordd Path to Llyn Cau?

The best time to hike is typically from late spring to early autumn (May to October) when the weather is generally milder and the paths are clearer. During winter months, specialist equipment and significant experience are required due to challenging conditions like ice, snow, and reduced visibility.

Can I extend this hike into a longer circular route?

Yes, while a 'there and back again' route to Llyn Cau is common, the Minffordd Path can be incorporated into a longer circular walk that includes the summit of Cader Idris (Penygadair) and Mynydd Moel, offering even more diverse views and a more extensive mountain experience.

What should I bring for a hike on the Minffordd Path?

Given the challenging terrain and changeable mountain weather, full hill walking gear is essential. This includes sturdy hiking boots, waterproof and windproof clothing, extra layers, a map and compass (or GPS device), sufficient water and snacks, and a first-aid kit. Even in summer, conditions can change rapidly.

Are there any public transport options to reach the trailhead?

While direct public transport to the Dôl Idris car park might be limited, you can check local bus services that operate in the Eryri (Snowdonia) National Park area. The nearest larger towns like Dolgellau or Machynlleth may offer connections, but planning ahead is crucial as services can be infrequent.

What makes Llyn Cau so special?

Llyn Cau is renowned for its perfectly formed, almost circular shape, nestled within a dramatic bowl-shaped glacial hollow (cwm) surrounded by imposing 400-meter high cliffs. Its striking appearance has captivated visitors and artists for centuries, making it a truly iconic and photogenic feature of Cader Idris.

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