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A prow of dark rock standing over boulders and grass high on Beinn Narnain, under grey cloud.
Loch Lomond and the Arrochar Alps

Beinn Narnain

A Munro of 927 metres, number 257 of the 282.

On the hill todayI was up today
The hill

Beinn Narnain is one of the Arrochar Alps, close to the village of Arrochar at the head of Loch Long, inside the Loch Lomond and The Trossachs National Park.

The park authority translates the name as "hill of notches", for the rocky ground on its Loch Long side.

Its taller neighbour, Beinn Ime, is about two and a half kilometres to the north-west, and the two are often walked together. Forestry and Land Scotland, whose forest lies at the foot of the hill, rates the pair a truly epic high hillwalk. Ben Vane is about three kilometres to the north.

The start
Arrochar, at the head of Loch Long. The park authority gives the start as the Succoth car park, five minutes' walk from the village.
The ground
The forest at the start is Forestry and Land Scotland's.
Under snow
The avalanche service forecasts six other areas, not this hill. No forecast does not mean no risk under snow.
Summit
Grid reference NN 271 066
Car park
The car park at Arrochar that the council calls Glenloin, on the A83, postcode G83 7AL. For 2026/27 Argyll and Bute Council charges £1.20 an hour or £10.30 a day, pay and display from 9am to 6pm every day, by machine or PayByPhone.
Bus and train
Buses from Glasgow to Inveraray and beyond stop in Arrochar village. Arrochar and Tarbet station is a 1½ mile walk from the car park along a forest path.
Toilets and food
The nearest public toilets, shops and cafés are in Arrochar village, across the loch.
On the hill today
1° to 5°Drizzle on the summit, 927 m. Feels like −2° in the wind.

West wind to 13 mph, gusting 28
Rain, about 3 mm
Light from 7.52am to 6.17pm, ten hours

Sat 17Mostly clear−1° to 4° on top · 6 mph, gusts 15
Sun 18Clear−3° to 4° on top · 6 mph, gusts 13
Mon 19Drizzle−4° to 6° on top · 9 mph, gusts 19

A weather model's forecast for the height of the summit, not a report from the hill. Read the mountain forecast the evening before: West Highlands forecast, Beinn Narnain.

October2026

MTWTFSS

Going another day?

Choose the day you mean to climb.Near or far: the light you will have, and what the summit is likely to be doing.

Photographs by Peter Fedor, CRAIG Boyle and Cian Oba-Smith, via Google

The hike itself is quite rocky and involves a little scramblingThe Loch Lomond and The Trossachs National Park Authority, of the direct way up from the Loch Long side
Before you go

Carry

  • A paper map and a compass, and the skill to use them
  • Waterproofs, warm layers, hat and gloves
  • Food and drink
  • A head torch, a whistle and a first aid kit
  • A survival bag
  • Boots with a good grip

Under snow and ice this is a different day, with short light and the risk of avalanche. It needs an ice axe, crampons, winter boots and the skill to use them.

If something goes wrong

  • Dial 999, ask for the police, then mountain rescue
  • Give a six-figure grid reference: the summit is NN 271 066
  • Say how many are hurt, how many are with you, and your number
  • Register to text 999 before the day: text the word register to 999

The summit is optional. Turning back is the right decision whenever the cloud, the wind or the light say so.

How to call for help in the hills · Safety and skills for the hills · ThinkWINTER

From our readers

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From the magazine
Read more elsewhere

For the route itself, take the map and read these.

Sleep and eat at its foot

Next along: Beinn Ime, Ben Vane, Ben Vorlich, Ben Lomond. Checked on 9 October 2026. The facts on this page are the Loch Lomond and The Trossachs National Park Authority's, Forestry and Land Scotland's and Argyll and Bute Council's; the forecasts are the Mountain Weather Information Service's and the Met Office's. Height and position from The Database of British and Irish Hills, v18.3, adapted, CC BY 4.0. This page is not a route description and does not replace a map.