Llyn Cau on the Minffordd Path – Cadair Idris ascent/descent loop from Cader Idris National Nature Reserve

Running trails & routes

Llanfihangel-Y-Pennant

Llyn Cau on the Minffordd Path – Cadair Idris ascent/descent loop from Cader Idris National Nature Reserve

Hard

runners

Llyn Cau on the Minffordd Path – Cadair Idris ascent/descent loop from Cader Idris National Nature Reserve

02:21

11.1km

910m

Running

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: August 5, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Cader Idris National Nature Reserve

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

Get Directions

444 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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2.60 km

Minffordd Path to Cadair Idris via Llyn Cau

Highlight • Trail

The Minffordd Path (Welsh: Llwybr Minffordd) starts on the south side of the mountain, near the glacial lake Tal-y-llyn. Hikers following this route climb past Llyn Cau and along the …

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3.40 km

View of the Lake Through the Gulch

Highlight • Viewpoint

Llyn Cau remains beautiful even though you only see it partially through the gorge.

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4.86 km

Cadair Idris ascent/descent

Highlight • Natural Monument

This last climb is very difficult due to the many loose stones and rocky ground.

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4.92 km

View of Llyn y Gadair from Cyfrwy Ridge

Highlight (Segment) • Viewpoint

From the ridge between the summits of Cyfrwy and Cadair Idris there is an impressive view of the lake Llyn y Gader deep down under the cliffs. Watch your step, …

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