Cnap Cruinn from Fersit
Hillwalking route up Cnap Cruinn from Fersit in Glen Spean, with forestry tracks past the old puggy line and heather slopes to its flat, isolated top.
Route outline
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| Ascent | 630m (2060ft) | |||
| Distance | 15km (9m) | |||
| Time | 4:40hr* | |||
| Start/finish | Inverlair by Fersit, Glen Spean Grid Ref : NN339798 | |||
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This relatively short hike begins close to the road end by Fersit, following estate tracks through woodland and forestry and passing near the line of the old 'puggy' railway. Beyond the tracks, a pathless but straightforward ascent over heather and grass gains the broad summit, from where wide views extend across the surrounding Highlands.
Route description
1. Getting to Fersit

The track begins by Inverlair
In Glen Spean, on the A86 around 6km east of Roy Bridge, a narrow road head south marked towards Fersit. Follow this road as it crosses over the West Highland railway line, followed by a bridge that spans the dramatic gorge of the River Spean before entering woodland. The road reaches the houses at Inverlair, where the route to Cnap Cruinn begins via an estate track.
Parking at Inverlair is discouraged, therefore continue along the road a short distance beyond Inverlair and out of woodland - there are spaces to park before reaching the bridge over the Allt Lair.
2. Cnap Cruinn

On the track heading in, Sgurr Innse comes into view
Return to estate track by Inverlair
. On bike or foot, pass through a gate and follow the estate track heading south through woodland and aside forestry. The track climbs gently and gradually curves southwest, with fine views opening up towards Sgùrr Innse and Stob Bàn of the Grey Corries ahead.
As the track turns more directly south around a bend in the river, Cnap Cruinn comes into view. Continue until a junction in the track
- take the right fork, which leads northwest through a break in forestry. Follow this track until by a small hydro dam
.

Cnap Cruinn's slopes from by the small dam
lies about 100m to the south of this cairn and is marked by a small pile of stones, offering excellent views in all directions.
Cnap Cruinn's slopes from by the small dam
3. Return

On Cnap Cruinn's summit looking to the Grey Corries
A straightforward return could be made by re-tracing footsteps back the same way, but we instead opted for a circular route.
From Cnap Cruinn's summit, head south then southeast, aiming towards the Allt Lair. The terrain down this is mostly grassy and on a gentle slope, making for a pleasant and easy descent. Upon reaching the Allt Laire, we crossed it without difficulty
and picked up faint traces of a path following the river's southern bank downstream.

Faint track following the Allt Lair downstream
(narrow guage railway from the 1920's), which we followed briefly before fording the river again to rejoin the estate track near the forestry. From there, a straightforward return along the estate tack lead us back to Inverlair.
Faint track following the Allt Lair downstream
Maps and GPX downloads »
Route profile »
Weather forecasts »
| Regional | MWIS - Western Highlands |
| Peak specific | Mountain Forecast.com Met Office YR.no |
| Seasonal | SAIS - Creag Meagaidh Midge forecast |
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* Times shown are estimates – see timing notes on the disclaimer page for more information.





