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Home   Glossary

Ben Oss

Munro
Quick Facts
This is the height of the mountain above sea level. However, on the climb, it is the ascent that matters, i.e. the sum of all the uphill parts of the route.
Altitude
1029 m (3375 ft)

This is the standard notation used on Ordnance Survey Landranger maps.

Each reference consists of two letters identifying a 100,000 metre square block then three digits defining the Easting and finally the three digits defining the Northing with reference to the South West corner of the block.

NN166712 is the grid reference for the summit of Ben Nevis. Where you are given the map number ( For Ben Nevis = 41) it is acceptable to omit the two initial letters e.g. 166712. (Instructions on how to read the references are given on the OS maps).

Grid Ref.
NN28782536
An indication of this mountains height rank within its class. Where two mountains share the same height they are ordered alphabetically.
Stature
101 of 283 Munros
The number of ascent routes currently available on Munromagic.
Routes
1
Mountain names are usually in Gaelic, the native language of the Scottish Highlands, or have been derived from the old Scots and Norse languages. We give the most commonly accepted meaning, but accept that some of these are disputed.
Meaning
Hill of the loch-outlet
 

The UK is covered by 204 Ordnance Survey Landranger 1:50,000 scale maps. Maps numbered 1 to 86 cover Scotland but for the highest mountains (Munros) only 23 maps are required. The name given roughly describes the area covered by the map.

You can click on the map name to purchase the map for £6.29 including postage which is one of the cheapest prices we have found.

OS Landranger Maps Required
  50   Glen Orchy & Loch Etive
Only £6.29  (£11.69 Laminated) from  

A description of the characteristics of the mountain including any hazards of which you should be aware.

  Description
Ben Oss and Beinn Dubhcraig form a curved ridge around Loch Oss and are generally climbed together. Ben Oss has craggy sections and many rocky outcrops, particularly on its N face overlooking Glen Cononish.

Ben Oss is usually accessed from Glen Cononish to the N via Beinn Dubhcraig, although an approach could be be made from Gleann nan Caorann in the S.

Ben Oss's two N ridges are craggy and generally avoided as they are steep and rocky therefore the best alternative descent is S then SW to Creag Dubh a' Bealach where Ben Oss meets the lower slopes of Ben Lui and descend NNW through Coire Laoigh to Glen Cononish.

Hazards you may encounter on Ben Oss include
 Stony/rocky Slopes on or near ascent routes.
 Crags on or near ascent routes.
 Crags near summit.
 
General Considerations
 Temperature decreases by 1degree C for every 100m of ascent.
 Wind usually increases with altitude.
 Visibility can change markedly with cloud level.
 River/Stream levels can increase markedly in one day.
Picture Gallery for Ben Oss

Ben Oss (most prominent peak, left of centre), seen with Beinn a' Chleibh (leftmost), Ben Lui (second left, in cloud) and Beinn Dubhcraig (right) from the summit ridge of Beinn Chabhair, 30 Jan 2010.

© Michael Hill
Image by Michael Hill

Ben Oss. Taken 17th March 2009

© Andrea & Jim Loudon
Image by Andrea & Jim Loudon

Ben Oss and the winding ridge running back to Beinn Dubhcraig from the summit of Ben Lui.

© Graham Young
Image by Graham Young

Ben Oss on the left looking south from the summit of Ben Lui (in the right hand foreground) taken 29th December 2008.

© Duncan Mackison
Image by Duncan Mackison
View All 11 Images for Ben Oss

A selection of weather forecasts local to #GetMountain.Top_Name#.

Ordnance Survey digital maps are also available to members.

  Weather & OS Maps
West Highlands
by MWIS (PDF format) 		Ben Lomond
by Accuweather 		West Highlands
by Met Office 		Ben Oss
by Metcheck
Ben Oss Area Map
Legend  Munro  Corbett  Graham  English/Welsh Top  Accommodation

A selection of local accommodation options who advertise with Munromagic.com.

  Where to Stay
Results by distance from Ben Oss
6.5 km
Glengarry House
Tyndrum
7.0 km
Aros Beag
Tyndrum
8.3 km
West Highland Lodge
Crianlarich, Perthshire
9.6 km
The Crianlarich Hotel
Crianlarich
12.9 km
Craigroyston
Dalmally, Dalmally
20.2 km
Suie Lodge Hotel
Glendochart, nr. Crianlarich
21.0 km
Rowantree Cottage, Bed and Breakfast
Arrochar
21.0 km
Rowantreebank B&B
Main Street, Arrochar, G83 7AA
21.9 km
Burnbrae B & B
Shore Road Arrochar
25.2 km
Roineabhal Country House
Kilchrenan Taynuilt Argyll
27.1 km
Rowardennan Hotel
Rowardennan, Loch Lomond
28.1 km
Inverbeg Holiday Park
Inverbeg Holiday Park, By Luss, Loch Lomond, Argyll
28.6 km
Rosebank House
Main Street, Strathyre, Perthshire
28.9 km
Leitters Farm
Balquhidder Station, by Lochearnhead
29.6 km
CRAIGBUIE Guest House
Main Street, Killin
For information on camping visit
ScottishCamping.com who also produce
a map of scottish camp grounds.
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The summary information of one or more ascent routes that include Ben Oss.

Click on the route title to load the full content for that route.

  Routes that include Ben Oss
  Ascent Distance Time Including... Description Rating
1 1438 m 19.25 km 6.5 hrs Ben Oss and Beinn Dubhchraig  Not a difficult route once you have negotiated the forest. Ben Dubhcraig is rocky on the southern face but this is avoided.  
 

Pictures submitted by members on the summit of Ben Oss

  Baggers Gallery for Ben Oss

Bruce-Oss-2009. Ascended from the south. Views would be fantastic, if it weren't for the clouds.

© Bruce Donachie
Image by Bruce Donachie

Me and Matt at the top of Ben Oss

© Richard Glynne-owen
Image by Richard Glynne-owen

Graham on the summit of Oss, April 2009.

© Graham & Joanne Bullen
Image by Graham & Joanne Bullen

Joanne at summit of Ben Oss, April 2009.

© Graham & Joanne Bullen
Image by Graham & Joanne Bullen
View All 16 Baggers Images for Ben Oss
The logging section stores any entries for Ben Oss in your own log. From here you can
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  Logging
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Recently Climbed By
Allan Stephen on 13 Mar 2010
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David Yorston on 20 Sep 2009
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Kevin Whyte on 30 Aug 2009
Sylvia,ally pirie on 29 Aug 2009
Willie Massie on 22 Aug 2009
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Brett Taylor on 13 Aug 2009
David Jones on 28 Jul 2009
Frazer Barrie on 25 Jul 2009
Kevin Woods on 09 Jul 2009
Peter Tindal on 08 Jul 2009
Gail Easton on 04 Jul 2009
Carlo Fedi on 28 Jun 2009
Sheena Hendrie on 28 Jun 2009
Bruce Donachie on 20 Jun 2009
Gareth Lynn on 13 Jun 2009
Solomon Mcwilliams on 08 Jun 2009
John Mc gonagle on 05 Jun 2009
Richard Glynne-owen on 03 Jun 2009
Tim Hayward on 30 May 2009
Nigel Rooke on 29 May 2009
Mark Gordon on 23 May 2009
Paul Watson on 19 May 2009
Gordon Smith on 17 May 2009
Alasdair Cairns on 11 May 2009
Colin Gagen on 10 May 2009
Allison Mackay on 10 May 2009
John Gilchrist on 03 May 2009
john wells on 03 May 2009
Michael Coffield on 02 May 2009
Martin Foster on 25 Apr 2009
Jane Walters on 25 Apr 2009
Alan Clayton on 19 Apr 2009
Graham & Joanne Bullen on 11 Apr 2009
David Griffin on 11 Apr 2009
Richard Reid on 04 Apr 2009
John Vinson on 04 Apr 2009

If a member has uploaded a tracklog as part of their personal route log and opted to share it then it will be presented here.

You can view a members route overlayed on an online map or download the KMZ file for use in Google Earth.

 Shared Members Track Logs
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Post a few words about Ben Oss or read what others have had to say.

 Comments
 
Roger Vander Steen
wrote on
August 6, 2006
A long approach from the end of the track beyond Cononish. The east bank of Allt Coire Laoigh was straightforward after a dry spell. If approaching from Beinn Dubhcraig, there is a tempting path from the col with Ben Oss which veers off to the left; it is not helpful and it is better to aim for higher ground directly. Descending the north ridge of Beinn Dubhcraig we strayed too near Creag Bhocan and overshot the usual very muddy route. This was not a problem: although not on a path we were at least on dry ground.
Colin Bell
wrote on
March 26, 2006
Climbed this with its neighbour Dubhcraig on 19/2/06. Took the longer route along vehicle track in Glen Cononish towards Ben Lui - wonderful views of the snow clad NE corrie and ridges. 7.5km but easy walk to start the day. Followed the gorgeous glacial valley of Allt Coiire Laoigh - many stream gullies to be crossed but got into a rhythm of holding the contour line round each. Snow & crampons from below the bealach onwards. Retraced steps off Dubhchraig for 250m then NNW, down and N in straight line to bridge at Cononish. Back down track to Dalrigh. 13 miles,tiring but great & not muddy!
Colin Speirs
wrote on
April 12, 2004
The start is the most awkward aspect of this Munro. After crossing the railway and passing through the gate turn directly to the right and follow the boggy path to the footbridge over the river (do not follow the farm track as it's a long detour). Head up through the forest (boggy) and over the two deer fences and stiles and onto the path proper. The ascent of Dubhcraig is straightforward followed by a descent and then ascent of Oss. Unfortunately it's a reascent of Dubhcraig to pick up the path back to the car park. A long slog of a hill with boggy ground on many stretches.
 
 

A full written account of a climb submitted by our members.

You can prepare your own write up by first making an entry in your route log and then visiting the logging section above.

  Route Write-Ups
There are no Route Write-Ups submitted for Ben Oss
 
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