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Beinn Mhor
Photo: Colin Park / CC BY-SA 2.0 via Geograph
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Graham · Argyll & Bute

Beinn Mhor

The highest hill in the Cowal peninsula, rising in a long grassy ridge between Glen Massan and Glen Lean and forming the centrepiece of the Argyll Forest Park. The summit panorama takes in the Holy Loch, Bute, Arran and the Arrochar Alps.

Gaelic: “mountain, big” · Pronunciation: bine vore

Quick facts

Height
741.5m/ 2433ft
Distance
14 km
Ascent
608 m
Time
46 hrs
Difficulty
3 / 5Strenuous
Grid ref
NS107908
Parking
NS136878
Nearest city
Oban
Dogs
Dogs on lead required near livestockDog-friendly guide ↗

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Standard route

loch-side access 15% · heather hillside 50% · grassy upper slopes 25% · summit area 10%

14km · 608m ascent · 3.8 hrs

From the parking at Inverchapel on Loch Eck side, walk west into Glen Massan and up the bridle path beside the Allt Eas Mhor. Above the trees an open grassy hillside leads south-west to the summit cairn.

Terrain

Forest road and bridle path low down, then steep wet grass and bracken to a broad grassy ridge. Few rocks above the treeline.

In winter

Cowal's damp climate rarely produces alpine conditions but heavy wet snow plasters the upper grass slopes and freezes overnight into hard glissade ground. The summit ridge offers no shelter from sou'westers.

Best time of year

Best OK Avoid

Getting there

  • Glasgow1h 18m
  • Edinburgh2h 28m
Parking: NS136878

OS maps: OS Landranger 56, OS Explorer 363

Mobile signal: No signal on this remote Argyll Graham above Loch Awe

Current conditions

Daylight Today

19h 04mwalking daylight
Sunrise
04:43
Sunset
21:53
Civil dawn
03:46
Civil dusk
22:50

NOAA Solar Calculator · 31 May 2026

On a long-distance route

Beinn Mhor sits within 5km of these named long-distance walks — useful for trail-pack rest days or section extensions.

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Beinn Mhor — common questions

How hard is Beinn Mhor?
Beinn Mhor is rated 3/5 (moderately challenging) on the OutdoorSCOT scale. The standard route covers about 14km with 608m of ascent and takes most walkers 4-6 hours. Terrain: Forest road and bridle path low down, then steep wet grass and bracken to a broad grassy ridge.
Where do I park for Beinn Mhor?
Standard parking is at NS136878 near Oban. 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 Mhor?
The standard good-weather months for Beinn Mhor are April, 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 Beinn 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 Mhor?
No signal on this remote Argyll Graham above Loch Awe
Is Beinn Mhor safe in winter?
Cowal's damp climate rarely produces alpine conditions but heavy wet snow plasters the upper grass slopes and freezes overnight into hard glissade ground. The summit ridge offers no shelter from sou'westers.