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View of Cadair Idris Ridge – Cadair Idris ascent/descent loop from Tŷ Nant

Routes

Running trails & routes

View of Cadair Idris Ridge – Cadair Idris ascent/descent loop from Tŷ Nant

Hard

runners

View of Cadair Idris Ridge – Cadair Idris ascent/descent loop from Tŷ Nant

01:32

9.31km

700m

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: April 15, 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

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169 m

View of Cadair Idris Ridge

Highlight • Viewpoint

Stunning vistas of the Cadair Idris range and of Cregennan Lakes.

Tip by

2.84 km

Descent from Cadair Idris Summit

Highlight (Segment) • Summit

This is an hideous carry/push along the plateau to the summit, but if you like it slatey and rocky and technical, you'll find much to enjoy here on the way …

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4.55 km

Cadair Idris summit trig point

Highlight • Natural Monument

You just have to do it if near Dolgellau - not hard, there are several paths - it is not uncommon for some martyrs to attempt all the ascents in …

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4.58 km

Summit shelter on Cader Idris

Highlight • Mountain Hut

The Penygader summit shelter on Cadair Idris is a super handy, sturdy, stone-built mountain hut designed to protect hikers from the often harsh weather one has to endure here at …

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4.63 km

Penygadair summit, Cadair Idris

Highlight • Summit

Complex and striking, Cadair Idris is the Yr Wyddfa (Snowdon) of southern Eryri (Snowdonia): a honeypot mountain renowned for its imperious cliffs, enticing ridges and pretty tarns. It is a …

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4.85 km

Cadair Idris ascent/descent

Highlight • Natural Monument

This is the final ascent to Cadair Idris if you're approaching from the west (or the descent on your way back). The path is quite rocky, so watch your footing. …

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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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9.31 km

End point

Parking

Way Types & Surfaces

Way Types

4.61 km

4.20 km

209 m

206 m

< 100 m

Surfaces

4.83 km

3.81 km

252 m

170 m

163 m

< 100 m

Elevation

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

Weather

Tuesday 5 May

12°C

4°C

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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View of Cadair Idris Ridge – Cadair Idris ascent/descent loop from Tŷ Nant

View of Cadair Idris Ridge

Descent from Cadair Idris Summit

Cadair Idris summit trig point

Summit shelter on Cader Idris

Penygadair summit, Cadair Idris

Cadair Idris ascent/descent

View of Llyn y Gadair from Cyfrwy Ridge

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