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Leum Uilleim
Photo: wrobison / CC BY-SA 2.0 via Geograph
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Corbett · Ben Nevis

Leum Uilleim

Leum Uilleim — 'William's leap' — is the Corbett that gives Trainspotting its opening line about Scottish weather, perched directly above the railway station at Corrour. Reaching the foot of the hill requires no car: the ScotRail train from Glasgow Queen Street climbs onto Rannoch Moor and drops you at arguably the most remote stations in Britain, with the 906m summit visible to the south. The walk crosses open moor, climbs onto a grassy ridge, and finishes with views across Loch Ossian to the Ben Alder group and west to the Ben Nevis range.

Quick facts

Height
906.5m/ 2974ft
Distance
13 km
Ascent
600 m
Time
35 hrs
Difficulty
2 / 5Moderate
Grid ref
NN330641
Nearest city
Fort William
Dogs
Dogs on lead required near livestockDog-friendly guide ↗

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Standard route

railway track 20% · bog and moorland 30% · grassy ascent 40% · summit area 10%

13km · 600m ascent · 5.5 hrs

From Corrour Station, follow the path south-west across rough moorland for around 4km, gaining height gradually. The route picks up the broad north-east ridge of Leum Uilleim and climbs steadily to the summit cairn. Strong walkers continue south-west to Beinn a' Bhric for a longer round before returning to Corrour. Catch the train back from the station. Allow 5–6 hours from train to train.

Terrain

Open moorland on the approach — wet underfoot in most conditions, peat hag and tussock. The middle section follows a vague stalkers' line. The upper ridge is broad grass and heather with no rocky difficulties. Summit is a small cairn on a stony top. Train-timing matters more than the walking; check the West Highland Line schedule.

In winter

A great winter Corbett for car-less days — Corrour station stays open year-round and the trains are reliable. The summit holds snow well. The featureless plateau around the top demands careful navigation in cloud. Wind across Rannoch Moor can be ferocious; the train shelter at Corrour is welcome on both ends of the day.

This hill is in the Glen Coe SAIS forecast area. Check SAIS forecasts in winter (December–April).

Best time of year

Best OK Avoid

Getting there

  • Glasgow2h 10m
  • Edinburgh3h 45m

OS maps: OS Landranger 41

Mobile signal: No signal at Corrour or on the hill — Rannoch Moor features as one of the largest mobile blackspots in Britain. The station has no road access

Current conditions

Daylight Today

19h 19mwalking daylight
Sunrise
04:37
Sunset
21:56
Civil dawn
03:37
Civil dusk
22:56

NOAA Solar Calculator · 31 May 2026

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Leum Uilleim — common questions

How hard is Leum Uilleim?
Leum Uilleim is rated 2/5 (moderate) on the OutdoorSCOT scale. The standard route covers about 13km with 600m of ascent and takes most walkers 3-5 hours. Terrain: Open moorland on the approach — wet underfoot in most conditions, peat hag and tussock.
When is the best time to climb Leum Uilleim?
The standard good-weather months for Leum Uilleim are May, June, July, August, September, October. Outside those months, expect winter conditions on the high ground — full mountain kit, navigation skills, and a check of the SAIS avalanche forecast for the relevant region.
Can I bring my dog up Leum Uilleim?
Yes, but dogs must be kept on a lead — there is livestock or ground-nesting bird interest on the route.
Is there mobile signal on Leum Uilleim?
No signal at Corrour or on the hill — Rannoch Moor features as one of the largest mobile blackspots in Britain. The station has no road access
Is Leum Uilleim safe in winter?
A great winter Corbett for car-less days — Corrour station stays open year-round and the trains are reliable. The summit holds snow well. The featureless plateau around the top demands careful navigation in cloud. Wind across Rannoch Moor can be ferocious; the train shelter at Corrour is welcome on both ends of the day.