NN1973 : "Topping out" Aonach Mor as the sun sets over Ben Nevis
Strenuous mountain walk; careful navigation

Aonach Mor

1,220m Elevation
133m Prominence
Scotland Country
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NN1973 : "Topping out" Aonach Mor as the sun sets over Ben Nevis

Iain Lees Photo source

Overview

Aonach Mòr is a 1220.4 m Munro in Lochaber near Fort William. Its broad summit plateau lies north of Aonach Beag and east of Càrn Mòr Dearg. Nevis Range occupies the northern slopes, but the gondola ends at about 650 m, well below the large summit cairn. The two routes described here both include Aonach Beag and a complete return; they require strenuous mountain walking and careful navigation.

Aonach Mòr

Aonach Mòr is a 1220.4 m Munro in Lochaber near Fort William. The large summit cairn stands on a broad plateau north of Aonach Beag. The northern slopes carry Nevis Range, whose gondola reaches about 650 m. Reaching that station or its viewpoint trails is a different undertaking from reaching the summit.

Summit and terrain

DoBIH records a large cairn at NN193729. No summit trig point is established by the checked evidence. Much of the high ground is pathless, and the plateau’s apparently gentle surface ends in steep slopes and cliffs. Cloud and snow make navigation especially serious.

Complete returning routes

The gondola-assisted route starts and ends at the top station. It crosses Aonach Mòr, continues over the narrow col to Aonach Beag, and returns by reascending Mòr. Walkhighlands gives 9.5 km, 860 m ascent and 4.5–5.5 hours for that paired-summit out-and-back, excluding the lift ride and any base-station hike. Check operation and the last descent before committing.

The Glen Nevis circuit begins at the road-end car park. It approaches through Nevis Gorge and Steall, climbs via Sgùrr a’ Bhuic and Stob Coire Bhealaich to Aonach Beag, then crosses to Mòr. The return uses the very steep eroded west descent and Coire Guibhsachan before retracing the gorge. Its source figures are 16.5 km, 1430 m ascent and 8–10 hours for the entire circuit. It uses the footbridge near Steall ruins, not the cable bridge. Neither set of figures can be transferred to a solo Mòr ascent.

Safety and access

Carry reliable navigation and check mountain weather, daylight and, in winter, avalanche conditions. Keep clear of cliff edges and cornices. Rocky, eroded and boggy ground adds to the demands of the southern circuit. The northern route crosses the ski area; follow current operator instructions, avoid pistes and tow tracks, and keep off freshly groomed snow. Winter gullies and skiing are separate technical activities, not generic walking alternatives.

Nevis Range lists parking, toilets and catering facilities, subject to actual opening. The southern route uses Glen Nevis road-end parking. Check current bus services, parking arrangements and lift status rather than relying on a fixed schedule or price here.

Geology, name and history

The Geological Survey’s 1960 memoir places the summit in coarse, non-porphyritic Subzone 3 of the outer Ben Nevis igneous body. Its historical use of “granite” includes quartz-diorite and does not mean the mountain is one uniform rock type.

Glencoe Folk Museum gives the conventional Gaelic meaning “Big Ridge”. The usual explanation distinguishes the greater bulk of Mòr from the greater height of Beag; it does not establish the original act of naming. Nevis Range’s history records local skiing from the 1930s and the resort’s public opening on 19 December 1989.

Views and neighbours

Ben Nevis is conspicuous in clear weather, although the broad plateau hides some of the nearer glens. Aonach Beag, Càrn Mòr Dearg and Ben Nevis are nearby mountains, not automatic extensions to either itinerary. Conditions determine what can be seen; no particular season guarantees clear skies.

Explore routes near Aonach Mor

Walks starting near this hill. Open a route to check its map, distance and full itinerary.

Ben Nevis via Mountain Path

15.6 km ~7h Hard

View route

Banavie to Glen Loy Aqueduct: Neptune’s Staircase Canal Towpath

13.3 km ~4h Easy

View route

Coire Ardair lochan from Aberarder and back

12 km ~4h 30m Moderate

View route

Fort Augustus to Kytra Lock: Caledonian Canal Towpath

8.2 km ~2h 30m Easy

View route

Route planning notes

These notes describe possible approaches. Check a route's map and access information when planning your walk.

Aonach Mòr and Aonach Beag from the top gondola station (return)

Start and finish at the Nevis Range top gondola station, NN187755, around 650 m. Behind Snowgoose, go briefly right on the track, then left uphill beside the snow fence. Climb south then southeast to Aonach an Nid; the faint summer path fades. Pass the upper ski-tow area to the broad plateau and Aonach Mòr’s large summit cairn. Continue south to the narrow col, then climb the steeper rocky slope to Aonach Beag. Retrace the entire route, including reascending Aonach Mòr, to the same top station. Walkhighlands gives 9.5 km, 860 m ascent and 4.5–5.5 hours for this complete paired-summit out-and-back. Those figures exclude the gondola ride and any hike from the base. Check lift operation and the last descent beforehand. This is pathless mountain walking with cliff-edge navigation hazards, not a lower viewpoint stroll. Winter ski-area restrictions and snow conditions require separate assessment.

9.5 km Strenuous; pathless plateau and rocky col

Aonach Beag and Aonach Mòr from Glen Nevis (circuit)

Start and finish at the Glen Nevis road-end car park, NN168691. Follow the rocky gorge path past Steall meadow, ignoring the cable-bridge turning, to the footbridge by Steall ruins. Climb beside Allt Coire nan Laogh, then over Sgùrr a’ Bhuic and Stob Coire Bhealaich to Aonach Beag. Descend northwest to the narrow connecting col and climb north onto Aonach Mòr’s plateau and large summit cairn. Retrace south for about 400 m, then locate the small cairn for the very steep, badly eroded western descent to the col towards Càrn Mòr Dearg. Turn south down Coire Guibhsachan, regain the Steall footbridge, and reverse the glen and gorge approach to the original car park. Walkhighlands gives 16.5 km, 1430 m ascent and 8–10 hours for this whole two-Munro circuit. Navigation, rocky descents and lower bog demand care; the cable bridge is not crossed. These figures do not describe a Mòr-only walk or a finish at the gondola.

16.5 km Strenuous; very steep eroded descent
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Hill facts and local notes

Classifications

Hump Munro Simm High Hills of Britain

Elevation

1,220m

4,004 ft

Prominence

133m

Coordinates

56.8129, -4.9617

NN193729

OS Map

41

Explorer: 392

At the Summit

DoBIH identifies the summit feature as a large cairn at NN193729, with a recorded elevation of 1220.4 m. The cairn is on the broad high plateau; the gondola top station and lower viewpoint walks do not reach it. No summit trig point is established by the checked evidence.

Terrain & Geology

Broad grassy plateau with precipitous edges substantial pathless ground and steep slopes. The connection to Aonach Beag includes a narrow col and rockier ascent. The Glen Nevis circuit adds rough gorge paths bog and a very steep eroded descent; continuous waymarking is not a feature of these summit routes.

The Geological Survey’s 1960 memoir places the summit in coarse, non-porphyritic Subzone 3 of the outer Ben Nevis igneous body. The memoir uses “granite” broadly for rocks including quartz-diorite and describes more acidic rocks in eastern outcrops. This is a historical survey description, rather than a new summit rock identification.

Views & Scenery

Ben Nevis is a prominent landmark in clear conditions. The broad plateau limits views into the immediately surrounding glens, while the approaches and Aonach Beag offer different perspectives. Visibility depends on the weather; no season guarantees a clear view.

History & Heritage

Name Origin

Glencoe Folk Museum gives the conventional Gaelic interpretation “Big Ridge”. The Mòr and Beag distinction is commonly explained by the mountains’ bulk: Aonach Beag is the higher summit. This interpretation is not proof of when or why the name was first applied.

Historical Significance

Nevis Range’s own history records skiing on Aonach Mòr from the 1930s and the resort opening to the public on 19 December 1989. Its development is a major part of the mountain’s modern recreational history.

Getting There & Facilities

Parking

For the lift-assisted route, use the Nevis Range base-station parking and reach the walking start at the top station by an operating gondola. The southern circuit starts and finishes at the Glen Nevis road-end car park, NN168691, reached by a narrow final road section. Check current parking arrangements and charges; neither car park is the summit.

Public Transport

Walkhighlands describes bus access from Fort William and Spean Bridge to the Nevis Range base. Its Glen Nevis route mentions a seasonal service to Polldubh, short of the road-end walking start. Check current timetables, the remaining approach and your return connection; no service frequency or lift connection is guaranteed here.

Nearby Facilities

Nevis Range lists parking, toilets and café or restaurant facilities. The Snowgoose café is at the gondola top station, around 650 m. Check actual opening and lift operation before relying on these facilities; they are well below the summit.

Safety Information

Known Hazards

  • The broad, cliff-rimmed plateau can be difficult to navigate in cloud or snow. Carry a map, compass and a backup navigation method, and know how to use them; keep well away from cliff edges and cornices.
  • The Glen Nevis circuit has rocky gorge footing, boggy ground, steep rocky sections and an exceptionally steep, eroded western descent. Its return must be planned before leaving the summit.
  • The gondola route crosses substantial pathless ground and a narrow col with a steeper rocky climb to Aonach Beag. Check the operating status and last descent before committing; the lift can close because of weather.
  • Winter brings avalanche, unstable snow, ice and cornice hazards. Follow current Nevis Range guidance around ski runs and fences; do not use tow tracks or freshly groomed snow as a walking route.

Seasonal Hazards

Snow or cloud can hide the plateau edges and erase the summer paths. Winter travel needs appropriate mountain skills, equipment and a current avalanche and mountain-weather assessment. Cornices may overhang cliffs. In the ski area follow current operator instructions and keep clear of pistes, tow tracks and freshly groomed snow; do not assume a ski lift or groomed run provides a safe summit route.

General Safety Tips

  • Check weather conditions before setting out
  • Carry appropriate clothing and equipment
  • Let someone know your planned route
  • Take a map, compass, and GPS device
  • Carry emergency supplies: food, water, first aid kit, torch

Hills

Some common questions about the hills answered

Are there group walks up Aonach Mor?

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Are there other walkers around Aonach Mor?

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Can I organise a walk to Aonach Mor?

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How do I find a walk up this hill?

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Can I suggest a new route up Aonach Mor?

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Location

Aonach Mor location map

Grid reference: NN193729

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