4.6
(18)
131
hikers
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
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Waypoints
Start point
Parking
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880 m
Highlight (Segment) • Lake
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Tip by
2.45 km
Highlight • Viewpoint
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6.67 km
End point
Parking
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.