Argyll

Ben Oss

1,029 metres · 1 detailed route

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Beinn Dubhchraig · Ben Oss

Ben Oss and Beinn Dubhchraig, near Tyndrum

Route overview

This classic double-Munro outing from Dalrigh explores the beautiful ancient pine forests of Coille Coire-Chuilc before ascending onto the high, undulating ridges of the Tyndrum hills. Offering superb views over Loch Lomond and the dramatic peak of Ben Lui, it provides a satisfying and varied day out on two contrasting summits.

Terrain and underfoot

The lower approach through the glen and Caledonian forest is notorious for exceptionally boggy and sodden paths. Higher up, the terrain becomes drier but increasingly rocky and undulating. The path peters out on the broad ridges, where navigation can be challenging in poor visibility due to complex, craggy topography. The descent to Bealach Buidhe is steep and rocky.

Distance
17.6 km
Ascent
1,297 m
Typical time
6 - 7.5 hoursStandard moving time
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Munros
2

Getting there and parking

Driving and parking

Dalrigh car park for Ben Oss and Beinn Dubhchraig

Reach Dalrigh car park by turning off the A82 and keeping left. Check current owner terms and keep the lane and working access clear.

An off-road woodland car park reached along the narrow lane. Keep working access clear.

Sources checked 2 October 2026

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On foot

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On the road

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Guidebook & paper maps

The Munros

Scottish Mountaineering Club · 4th edition (2021)

  • M101 · p. 24
View on Amazon (paid link)

Walking the Munros · Volume 1

Cicerone

Southern, Central and Western Highlands

  • Guide route 47 · p. 182

Latest edition: 4th (2021) · reprinted 2024. Edition of page references unconfirmed.

View on Amazon (paid link)

Peak Bagging: Munros · Volume 1

Nicola Hardy · 2025

Dalrigh MunrosGuide route 12 · p. 61

Hub 4 - Tyndrum

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The Munro Almanac

Cameron McNeish · 2011

The Tyndrum Hills

  • Munro description · p. 9

Page numbers vary by edition.

OS Explorer · 1:25,000
  • 377Loch Etive & Glen Orchy
OS Landranger · 1:50,000
  • 50Glen Orchy & Loch Etive

Summit locations only, not the approach or return route.

Check sheets with Ordnance Survey

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Mountain planning note

Route times and descriptions are planning estimates. Recheck mountain weather, access, daylight, river levels and your own experience before setting out.