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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
Prominence
496 m
Distance
13 km
Ascent
600 m
Time
35 hrs
Difficulty
2 / 5Moderate
Grid ref
NN330641
Nearest city
Fort William· 24km
Dogs
Dogs on lead required near livestockDog-friendly guide ↗

Height and prominence cross-checked against the Database of British and Irish Hills (CC BY).

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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 18mwalking daylight
Sunrise
04:46
Sunset
22:04
Civil dawn
03:46
Civil dusk
23:04

NOAA Solar Calculator · 13 July 2026

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Leum Uilleim — common questions

How hard is Leum Uilleim?
We grade Leum Uilleim at 2/5, which puts it in moderate territory. The usual route is around 13km with 600m of climbing; allow 3-5 hours. Ground conditions: Open moorland on the approach — wet underfoot in most conditions, peat hag and tussock.
How much drop does Leum Uilleim have?
The drop is 496m: measured from the summit of Leum Uilleim down to the saddle joining it to higher terrain.
What's the best month to climb Leum Uilleim?
Aim for May, June, July, August, September, October on Leum Uilleim. In the remaining months treat it as a winter hill — full kit, solid navigation, and a look at the relevant SAIS avalanche forecast before you go.
Can dogs go up Leum Uilleim?
Dogs are fine on a lead. The route passes livestock or ground-nesting bird habitat, so keep them close throughout.
Will I get phone 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.

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