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Beinn a' Chaisteil [Auch]


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.
886 m (2906 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.
An indication of this mountains height rank within its class. Where two mountains share the same height they are ordered alphabetically.
40 of 222 Corbetts
The number of ascent routes currently available on Munromagic.
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.
Hill of the castle

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.

OS Landranger Maps Required
  50   Glen Orchy & Loch Etive

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

Beinn a' Chaisteil and Beinn nam Fuaran (Corbett) are sister peaks, on the E side of Gleann Ach'-innis Chailein, connected by a col (545m), and are climbed as a pair.

Beinn a' Chaisteil, the more S of the pair, is composed of two ridges in an "L" shape. The S and W upper slopes are very rocky, but the hill can be climbed via the SE or NE ridges with ease on moderate slopes.

Hazards you may encounter on Beinn a' Chaisteil [Auch] include
 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 Beinn a' Chaisteil [Auch]

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)
West Highlands
by Met Office
Ben Oss
by Metcheck
Beinn a' Chaisteil [Auch] Area Map
Legend  Munro  Corbett  Graham  English/Welsh Top  Accommodation

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The summary information of one or more ascent routes that include Beinn a' Chaisteil [Auch].

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

 Routes that include Beinn a' Chaisteil [Auch]
  Ascent Distance Time Including... Description Rating
1 1181 m 19.16 km 6 hrs Beinn a' Chaisteil [Auch] and Beinn nam Fuaran  Moderate route with some steep slopes but rock to traverse. Return route follows track which crosses river fords several times Not Yet Rated 

Pictures submitted by members on the summit of Beinn a' Chaisteil [Auch]

 Baggers Gallery for Beinn a' Chaisteil [Auch]

January 2013, a cold and snowy day!


Image by

Breac, Colin and Stuart having a well deserved rest atop the last Corbett of the day. Beinn Chaorach and Ben Challum can be seen in the distance. 15/04/10

© Sam Marshall

Image by Sam Marshall

Myself and John Donnelly on the Sumit in a Whiteout 7/3/2010

© David Peden

Image by David Peden

Myself and Kevin on a very snowy and misty summit Beinn a' Chaisteil 07/03/10

© John Donnelly

Image by John Donnelly
View All 5 Baggers Images for Beinn a' Chaisteil [Auch]
The logging section stores any entries for Beinn a' Chaisteil [Auch] in your own log. From here you can
  1. Add a route log entry that includes this mountain
  2. Write a full account of your route including photos
  3. Edit an existing log entry including uploading a GPX file or add a photo
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Recently Climbed By
Alan Puckrin on 19 May 2019
Fiona Reid on 18 Nov 2018
Allison Mackay on 29 Aug 2018

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 Shared Members Track Logs
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Post a few words about Beinn a' Chaisteil [Auch] or read what others have had to say.

James Corrigan
wrote on
November 5, 2011
Summer 2011 saw me doing the neighbouring Corbetts of Beinn Chaorach and Beinn Odhar. This is a very mountainous area and dramatic in fine weather. Beinn a Chaisteil is over shadowed by its more famous neighbour Beinn Dorain but do not let that fool you into thinking it's a stroll. Walked the WHW along Beinn Odhar and turned right. Just before a white building and in to Glen Coralan, there is a river to cross on stony slabs. It would be a problem in spate but not today. Rather than walk the length of Beinn a' Chaisteil and up the easier south ridge I took it head on. This is steep and relentless going with some steep crags to clear before the easy walk up grassy slopes to the small summit cairn. The views off these steep slopes are well worth the effort with Beinn Dorain looking dramatic in the ever changing early winter light. All the Auch Corbetts are in fine view as well as a good look over to the northern Blackmount.

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

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