Conquering Sgùrr Alasdair: A Journey to the Highest Peak on the Isle of Skye
Rising dramatically from the heart of the Cuillin range, Sgùrr Alasdair is the highest point on the Isle of Skye and one of the most exhilarating climbs in all of Scotland. At 992 meters (3,255 feet), it may not be the tallest mountain in the UK, but it’s certainly among the most rugged, remote, and rewarding. For hikers and climbers seeking a true adventure, Sgùrr Alasdair offers a thrilling blend of scrambling, breathtaking views, and raw Highland beauty.
🏔️ Overview: What Makes Sgùrr Alasdair Special
- Location: Cuillin Hills, Isle of Skye, Scotland
- Elevation: 992 meters (3,255 feet)
- Difficulty: Moderate to challenging (scrambling required)
- Time Required: 5 to 7 hours round trip, depending on route and conditions
Sgùrr Alasdair is not a walk in the park—it’s a mountain that demands respect. The terrain is steep, rocky, and often exposed, with weather that can change in minutes. But for those prepared, it delivers one of the most unforgettable hikes in the UK.
🗺️ Route Suggestions
There are several ways to approach Sgùrr Alasdair, but the most popular and accessible route begins from Glen Brittle, a scenic valley on the western side of the Cuillin.
1. Glen Brittle to Coire Lagan Route (Standard Ascent)
- Start Point: Glen Brittle Campsite or car park
- Route: Hike up to Coire Lagan, then ascend via the Great Stone Chute
- Distance: ~6 miles (9.5 km) round trip
- Time: 5–7 hours
Highlights:
- The trail to Coire Lagan is well-trodden and offers stunning views of the Cuillin peaks.
- Coire Lagan itself is a dramatic corrie with a small lochan (lake) nestled beneath towering cliffs.
- From here, the real challenge begins: the Great Stone Chute, a steep scree gully that leads to the summit ridge.
Caution:
- The Stone Chute is loose and unstable—expect to slide and scramble.
- Helmets are recommended due to rockfall risk.
- Once at the top of the chute, a short but exposed scramble leads to the summit.
2. Alternative Ridge Traverse (Advanced)
- For experienced climbers, Sgùrr Alasdair can be included in a Cuillin Ridge Traverse, a multi-peak expedition that’s considered one of the toughest in Britain.
- This route involves technical climbing, rope work, and navigation skills.
Park just before the campsite at the end of the Glen Brittle road. From here Sgùrr Alasdair looks particularly impressive. The walk starts through the campsite and small gate to keep left of the toilet block and up the prominent path. Go straight across at a rough track. The early part of the route was once an eroded swamp, but following extensive works there is now an excellent pitched-stone constructed footpath.
Ignore a path forking off to the right. As height is gained, great views open up of the Isle of Rum and, later, Eigg. At a large cairn keep straight ahead; from this point the going becomes much rougher. At one point the path heads up a gully between two slabs of rock, scrambling slightly.
After the gully, the Loch is only short distance beyond. This is one of the most impressive places in Britain, with the small and beautiful blue lochan surrounded by great sweeps of rock. There are huge slabs, vertical precipices and gigantic stone chutes. Go round the loch to the left and begin the ascent of the most obvious worn scree fan, which is the foot of the Great Stone Chute.
The lower part of the chute is extremely loose – very much a case of two steps forward, one back, helmets are a sensible precaution. Higher up the chute narrows dramatically and becomes steeper. On this upper section most of the smaller stones have gone and great care must be taken not to dislodge rocks onto any climbers below.
The saddle at the very top of the stone chute will be a welcome sight. The ridge heading off to the right towards the summit looks fairly scary but turns out to be quite straightforward. The top itself is soon reached; at 992 metres this is the highest mountain on the Isle of Skye. It is named in honour of Sheriff Alexander Nicolson, the Skyeman who made the first ascent.
The summit is dramatic – even smaller than that on Sgùrr nan Gillean – and the view across the gulf of Coire Lagan to the Inaccessible Pinnacle is fantastic. The view in the other direction, over Coir a’ Ghrunnda with its beautiful lochan, is equally fine, whilst a maze of sea and islands stretches away in all directions.
The best descent route is to return by the route of ascent; the Stone Chute being a little easier in this direction. The ridge leading towards Sgùrr Sgumain has a difficult section – very keen scramblers can ascend by this route as it could be hard to find in descent. Reaching Sgùrr Sgumain from Glen Brittle is straightforward enough (either by the Sgumain stone chute or by ascending over Sròn na Cìche). The difficult section is shortly after the Sgumain col when ascending towards Sgùrr Alasdair; here an impasse in the ridge is avoided by heading out to the right on ledges before ascending a short chimney, though this is out of bounds except to keen scramblers (Grade 5).
Once back at the lochan in Coire Lagan, be sure to enjoy this stunning location, looking back at the Stone Chute and the peak high above – it is almost impossible to beleive that the route you have just done is feasible.
🧭 What to Watch For
🧱 Terrain
- The Cuillin is composed of gabbro, a grippy volcanic rock that’s excellent for scrambling.
- However, the terrain is unforgiving—sharp ridges, steep drops, and loose scree are common.
🌦️ Weather
- Skye’s weather is notoriously unpredictable. Fog, rain, and high winds can roll in quickly.
- Always check the forecast and be prepared for sudden changes.
🐑 Wildlife & Flora
- You may spot red deer, golden eagles, or the occasional sheep navigating the slopes.
- Alpine plants cling to the rocks, adding splashes of color in summer.
🧗 Safety
- This is not a beginner’s hike. Basic scrambling skills are essential.
- Navigation can be tricky in poor visibility—bring a map, compass, and GPS.
- Consider hiring a local guide if you’re unfamiliar with the Cuillin.
⏱️ Timing Your Ascent
- Ascent to Coire Lagan: 1.5–2 hours
- Climb up the Great Stone Chute: 1–1.5 hours
- Summit scramble and descent: 2–3 hours
Allow extra time for breaks, photos, and route finding. Starting early is key—especially in summer when the days are long but the weather can shift quickly.
📸 Summit Experience
Reaching the summit of Sgùrr Alasdair is a moment of triumph. From the top, you’ll enjoy panoramic views of the Cuillin Ridge, the sea lochs below, and—on a clear day—the Outer Hebrides shimmering on the horizon. The sense of isolation and scale is humbling. It’s a place where the wind sings through the rocks and the clouds dance across the peaks.
🧳 What to Bring
- Sturdy hiking boots with ankle support
- Waterproof layers and warm clothing
- Helmet (recommended for the Stone Chute)
- Map, compass, and GPS
- Snacks, water, and a thermos of tea
- First aid kit and emergency shelter
🏕️ Nearby Amenities
- Glen Brittle Campsite: A popular base with facilities and access to trails
- Portree: The main town on Skye, about 45 minutes away, with shops, restaurants, and accommodations
- Local Guides: Several companies offer guided hikes and scrambles in the Cuillin
🌄 Final Thoughts
Climbing Sgùrr Alasdair is not just a hike—it’s an experience. It’s a test of endurance, a celebration of nature, and a journey into one of Scotland’s wildest landscapes. Whether you’re a seasoned scrambler or a determined adventurer, this peak offers a challenge worth taking.
And when you finally stand atop the highest point on Skye, with the wind in your face and the world at your feet, you’ll understand why so many return to the Cuillin again and again.
Ready to plan your ascent or explore other peaks on Skye? I’d be happy to help map out your adventure.
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