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By Gary
Carn nan Iomairean
Photo: Richard Webb / CC BY-SA 2.0 via Geograph
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Marilyn · Kintail

Carn nan Iomairean

Carn nan Iomairean — the cairn of the ridges — stands at 485m at NG 914 351 above Killilan at the head of Loch Long. The Gaelic name fits the corrugated profile of small parallel ridges that ripple across its broad summit area.

Quick facts

Height
485m/ 1591ft
Prominence
227 m
Difficulty
1 / 5Easy
Grid ref
NG 91426 35192
Nearest city
Inverness· 76km
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

heather moorland 65% · grass slopes 25% · rocky summit 10%

GPX needed
Elevation profile coming with the GPX track

From the Killilan road end at the head of Loch Long, take the estate track up Gleann Choillich for about a kilometre then strike east up the rough hillside. Around 3.5 hours for the up-and-back.

Terrain

Stalkers' path for a short distance then trackless. The parallel ridges of the upper hill funnel water into peaty hollows; pick a line on the small grassy rises between hags to keep boots cleaner.

In winter

A coastal Wester Ross hill where Atlantic warmth keeps the snowline high. Expect wet, slippery slabs of grass-over-rock more often than firm snow. Trekking pole more useful than ice axe most weeks.

Outside the SAIS network. No Scottish Avalanche Information Service forecast covers Carn nan Iomairean. SAIS forecasts six areas only — Northern and Southern Cairngorms, Creag Meagaidh, Lochaber, Glencoe and Torridon — and this hill is outside all of them, so there is no avalanche forecast to read for it. In winter, use MWIS The Northwest Highlands for mountain weather, judge snow stability from first principles, and treat any cornice or wind-loaded slope with extra caution.

Best time of year

Best OK Avoid

Getting there

  • Glasgow5h 0m
  • Edinburgh7h 56m

OS maps: OS Landranger 25, OS Explorer 429

Mobile signal: Poor. Little reliable signal; EE fails at the Kinlochewe or Torridon junction.

Current conditions

Daylight Today

14h 15mwalking daylight
Sunrise
06:50
Sunset
19:46
Civil dawn
06:10
Civil dusk
20:25

NOAA Solar Calculator · 14 September 2026

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Carn nan Iomairean — common questions

What difficulty is Carn nan Iomairean?
On the OutdoorSCOT scale, Carn nan Iomairean comes in at 1/5 — easy. Ground conditions: Stalkers' path for a short distance then trackless.
How much drop does Carn nan Iomairean have?
The drop is 227m: measured from the summit of Carn nan Iomairean down to the saddle joining it to higher terrain. Passing the 150m-drop threshold on all sides is exactly what makes it a Marilyn.
What's the best month to climb Carn nan Iomairean?
Aim for March, April, May, June, July, August, September, October on Carn nan Iomairean. 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 Carn nan Iomairean?
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 Carn nan Iomairean?
Poor. Little reliable signal; EE fails at the Kinlochewe or Torridon junction.
Is Carn nan Iomairean safe in winter?
A coastal Wester Ross hill where Atlantic warmth keeps the snowline high. Expect wet, slippery slabs of grass-over-rock more often than firm snow. Trekking pole more useful than ice axe most weeks.

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