Snow-capped peaks rise along a coastline beneath pink evening clouds, a small rocky islet in the foreground sea.
Isle of Skye

Cuillin Mountains

Skye's serious mountains: the eroded heart of a volcano some 60 million years old, with Sgùrr Alasdair at 992 metres.

Welcome

The Cuillin fill the south of Skye: the Black Cuillin, dark and jagged, and the rounder, granite Red Cuillin to the east.

Visited and photographed by Simon Hird

Both date from the volcanic activity of about 60 million years ago, and the Black Cuillin are the exposed roots of the volcano itself, with more than two kilometres of rock worn away since. Their ridge carries eleven Munros joined by miles of knife-edge scrambling, and Sgùrr Alasdair, at 992 metres, is the highest mountain in Britain off the mainland.

These are serious mountains. The ridge, and the Inaccessible Pinnacle with its rock climb and abseil, are for experienced climbers; if you are inexperienced or unsure, hire a guide. You can still come close: Coire Lagan, a rough walk from Glen Brittle with some scrambling near the corrie, goes in among the peaks, and in the boating season boats run from Elgol to Loch Coruisk. On any hill here, carry a map and compass, waterproofs and warm spare clothing, check the forecast and tell someone your plan.

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Before you go

The Cuillin is serious mountain country: steep, rocky and high.

The main ridge and the Inaccessible Pinnacle need climbing experience, or a guide. Everything below is for planning, not for deciding whether a day is safe.

Where
The south of Skye, with Glen Brittle to the west, Sligachan to the north and Elgol to the south. The map is OS Explorer 411, Cuillin Hills.
Getting there
Buses run from Portree and Broadford to Sligachan and Elgol. There is no public transport to the start of the walks at Glen Brittle.
Parking
At Glen Brittle, above the beach and just before the campsite at the end of the road. At Sligachan, a small car park and lay-by by the river, or the public car park near the hotel.
The ridge
Eleven Munros and miles of knife-edge scrambling. The Black Cuillin ridge is extremely rough ground, with boulder hills, steep scree and knife-edge ridges, suitable only for experienced climbers. Anyone tackling it needs scrambling and climbing skills, some abseiling and good route-finding. There is no natural water on the ridge.
The In Pinn
A rock climb and an abseil. It should not be attempted without rock climbing skills and equipment, and some prior experience of abseiling.
Below the peaks
Coire Lagan from Glen Brittle is 9 km, 3 to 5 hours with 590 metres of ascent, on mostly good paths and then rough ground with some scrambling near the corrie.
Weather
It can change very quickly. The summits are 4 to 5 degrees colder than sea level and the mountains are wetter and windier than the rest of the island. Check the forecast before you go.
What to carry
Waterproof boots that support the ankle, a full set of waterproofs, hat and gloves, a spare warm layer, food and water, and a map and compass. Carry a whistle and a first aid kit, a helmet where there is rockfall, and crampons and an ice axe in winter.
Compass
The rock has a high iron content, so a compass can give faulty readings.
Phone signal
GPS and mobile signal vary on the mountains, and there is none at all in some places. Do not rely on a phone alone.
Winter
Winter hillwalking and mountaineering carries an increased risk, with avalanche awareness and the right equipment essential.
Before you set off
Leave your route and the time you expect to be back with someone. If you are inexperienced, consider a qualified guide or instructor.
In an emergency
On the hills, dial 999, ask for the police, then mountain rescue. A rescue can take several hours to reach you, and a helicopter cannot be counted on.

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Did you know

A snow-capped mountain rises above a dark coastline beneath a pink evening sky.
Did you know

Inside an old volcano.

About 60 million years ago this was a volcano ten kilometres wide. Since then more than two kilometres of rock have worn away, and the magma chamber that fed it is what you are standing on.

Pink-tinged clouds stretch above snow-capped mountains along a dark shoreline.
Did you know

Black Cuillin, Red Cuillin.

The Black Cuillin are gabbro, a dark, coarse rock that cooled slowly underground. As the magma changed and grew richer in silica, it cooled as granite instead, and granite makes up the Red Cuillin to the east.

Snow-dusted peaks line a shoreline beneath a band of pink and grey cloud.
Did you know

The highest island mountain in Britain.

Sgùrr Alasdair, at 992 metres, is the highest mountain in Britain off the mainland, and it has perhaps the smallest summit in the Cuillin.

Storm clouds hang low over snow-dusted hills bordering a sea loch.
Did you know

The hardest Munro.

The Inaccessible Pinnacle, 986 metres, rises from the top of Sgùrr Dearg. It is the most difficult of all the Munros: reaching the top takes a rock climb, and coming down an abseil.

Layered clouds glow orange and grey at sunset over the sea.
Did you know

The whole ridge in a day, 1911.

The Cuillin Ridge was thought to need days. On 10 June 1911 Leslie Shadbolt and Alastair McLaren crossed it in one, 12 hours and 18 minutes from the first summit to the last. Nobody repeated it until 1920.

Golden light glows through billowing storm clouds at sunset.
Did you know

Scratched by the ice.

In the last ice age glaciers flowed out from the heart of the Cuillin. The long parallel grooves they cut in the rock still show which way the ice was moving.

Ben Lerwill

From our guide to Skye

This iconic, razor-backed range – generally divided between the round-topped Red Cuillin and the more jagged Black Cuillin – contains no less than 12 Munros. Serious climbers and mountaineers are drawn here in numbers. The rewards are superb, but you should be aware that many routes are very challenging. Mountain guides and climbing instructors can both be hired if needed.

Read more
Graeme Johncock

An Unlikely Friendship

The jagged peaks of the Cuillin mountains on Skye dominate much of the island's incredible scenery. Looking at them is one thing, but hiking them is another matter entirely. Even though many locals would have no doubt climbed these peaks over the centuries, by the 19th century th

Read the story
Graeme Johncock

Legend says that the Black Cuillin mountains were formed after the Sun threw an enormous spear into the island, causing the ground to bubble up and burst into jagged peaks.

Read more
Graeme Johncock

The only one of Scotland’s Munros that requires technical rock climbing is the Inaccessible Pinnacle – otherwise known as the In Pin on Sgurr Dearg, part of the Black Cuillins.

Read more
Backlit clouds glow gold and grey against a clear blue sky at sunset.
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Where it is

In the south of Skye, between Glen Brittle on the west, Sligachan on the north and Elgol and Loch Coruisk on the south.

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Stay nearby

Places to stay near the Cuillin, and when each is next free.

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What we have written about it and more on Skye.

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For further reading, before you go. The details on this page were checked on .