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Beinn Dearg Mhor
Photo: Steven Brown / CC BY-SA 2.0 via Geograph
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Graham · Skye & The Small Isles

Beinn Dearg Mhor

Beinn Dearg Mhor (709m) at NG58 is the highest of the Red Hills above the Strathaird peninsula on south Skye, a granite dome rising opposite the gabbro Black Cuillin across Loch Slapin. Its red weathered scree contrasts with the dark Cuillin rock visible across the loch. An inclined summit slab marks the highest point, with a remarkable view across Loch Scavaig to the Cuillin ridge and out to Rum, Eigg and Canna.

Gaelic: “mountain, red, big” · Pronunciation: bine jerr-ak vore

Quick facts

Height
709.3m/ 2327ft
Distance
13 km
Ascent
581 m
Time
46 hrs
Difficulty
4 / 5Serious
Grid ref
NG587228
Parking
NG594231
Nearest
Fort William
Dogs
Dogs on lead required near livestockDog-friendly guide ↗

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Standard route

Torridonian sandstone 45% · heather moorland 35% · rocky summit 20%

13km · 581m ascent · 3.6 hrs

From the Loch Slapin lay-by at NG594231, take the path along the burn before climbing the steep south-east shoulder. The upper section involves loose granite scree before easing onto the broad summit. 13km return, 581m climbed. Most parties combine with the neighbouring Beinn Dearg Bheag for a fuller red-hills day.

Terrain

The steep granite scree slopes are tedious on ascent and tiring on descent — small chips on a hard substrate move underfoot. The summit slab is solid rock for those last metres. Care needed on the south-east shoulder where rock bands break the line of ascent above 500m.

In winter

Red Hills granite holds verglas tenaciously after thaw-refreeze, more so than the Cuillin gabbro across the loch. Maritime systems queue up off the Outer Hebrides and drive low cloud across the Strathaird peninsula for days at a stretch. SAIS does not cover Skye directly; the mainland Lochaber bulletin is the closest indirect reference. December daylight is below seven hours here.

Best time of year

Best OK Avoid

Getting there

  • Glasgow4h 35m
  • Edinburgh4h 18m
Parking: NG594231

OS maps: OS Landranger 32

Mobile signal: Patchy on the Strathaird road — better signal returns higher on the south-east shoulder toward Broadford.

Current conditions

Daylight Today

19h 31mwalking daylight
Sunrise
04:39
Sunset
22:05
Civil dawn
03:36
Civil dusk
23:07

NOAA Solar Calculator · 31 May 2026

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Beinn Dearg Mhor — common questions

How hard is Beinn Dearg Mhor?
Beinn Dearg Mhor is rated 4/5 (challenging) on the OutdoorSCOT scale. The standard route covers about 13km with 581m of ascent and takes most walkers 4-6 hours. Terrain: The steep granite scree slopes are tedious on ascent and tiring on descent — small chips on a hard substrate move underfoot.
Where do I park for Beinn Dearg Mhor?
Standard parking is at NG594231 near Fort William. Check the parking grid reference on an OS map before travel; informal laybys can fill on summer weekends.
When is the best time to climb Beinn Dearg Mhor?
The standard good-weather months for Beinn Dearg Mhor are May, June, July, August, September. 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 Beinn Dearg Mhor?
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 Beinn Dearg Mhor?
Patchy on the Strathaird road — better signal returns higher on the south-east shoulder toward Broadford.
Is Beinn Dearg Mhor safe in winter?
Red Hills granite holds verglas tenaciously after thaw-refreeze, more so than the Cuillin gabbro across the loch. Maritime systems queue up off the Outer Hebrides and drive low cloud across the Strathaird peninsula for days at a stretch. SAIS does not cover Skye directly; the mainland Lochaber bulletin is the closest indirect reference. December daylight is below seven hours here.