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Name:An Dun
Hill number:400
Height:827.4m / 2715ft
RHB Section:05B: Loch Ericht to Glen Tromie and Glen Garry
County/UA:Highland (UA), Perth and Kinross (UA)
Catchment:Spey, Catchment Boundaries, Tay
Watershed:Mull of Kintyre to Rattray Head, Firth of Tay
Class:Marilyn, Hump, Simm, Corbett
Grid ref:NN 71652 80133
Summit feature:tiny cairn
Col:595m  NN710803  
OS map sheet(s):(1:50k) 42
(1:25k) OL51W 394W
Observations:29m NNW of main cairn and 0.38m higher; same height as hill 399 to within 0.03m
Survey:Leica NA730/Leica RX1250
Survey of An Dun (Final).pdf
Comments:See Database Notes.
Change log:show changes for this hill entry
GPS data:show GPS entries for this hill

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N.B. Some hill summits are on private property or on land where there is no public right of way.  Permission should be sought from the landowner where access to a hill summit is through private land(*).
*For information about access rights in Scotland see the ScotWays website.
Please report via the contact page any logs you see below which describe or encourage acts of trespass.  Please quote the hill number and hill name.

Logged Descriptions  (logged by 217 users, only the latest 50 shown - Show all)ByDate of Ascent
From A9 (parked in S-bound layby immediately S of track start) cycled along track to Sronphadruig Lodge, walked on 1km or so, forded river and up the S ridge of An Dun to S summit, continued to N summit, descended NE slopes, forded (easily) Allt na Craoibhe and Allt Loch an Duin, then ascended A' Chaoirnich up slopes immediately NE of Allt Bruthach nan Spardan, to summit, continuing S along ridges, descending back to Sronphadruig Lodge and cycled back to A9.kdbennett21/07/2020
We cycled from the A9 to Sronphadruig, dumped the bikes and headed up a snow-capped Am Meadar. Pretty steep going, but just a foretaste of the day. Back down to a dam crossing SSW of An Dun. Came across a deer marksman who fired a couple of shots as we headed up the steep south slope - a narrow path helps for most of the way. Over An Dun's two tops then veered west to the Coire na Craoibhe and its spectacular icy waterfall. Tough climb onto Bruthach na Craoibhe as the wind picked up and the snow got deeper so headed down the stalkers path to Sidhean Coire an Dubh-chadha, a nice wee bump. Walked back to the bikes on the track towards Loch an Dun, but rather than get wet feet we opted for the east side, where a small trail gave some help over rough terrain.summitter07/02/2020
Solo, from Dalnacardoch on MTB. Round of Loch an Duin.John Lee09/11/2019
Climbed with Richard on the way back from Aviemore after a great week at Elphin, Ullapool, Aviemore. Nice weather and great visibility with the exception of a couple of brief showers.amcculloch21/06/2019
Day 1 of a 2 day round with a night in the bivi bag SW of An Dun summit. 12.00 start due to biking round from Glen Feishie where I had been camping,. Set up tent close to river west of Gaick Lodge and then Sgor Dearg(Ct); Boghe-cloiche(Ct); A Mhorconaich(Ct); Meall Odhar Mor(Ct); Creag an Dubh(Ct): Brutach na Craiobhe(Ct); both tops of An Dun (C).dickscroop29/06/2018
A superb hill. Biked in, and then slunk round to the west ridge, since the south ridge was a bit snowed up and looked a bit too tricky wearing trainers (mountain rescue police anyone?). Over the top and down the north east ridge (somewhat steep), across the river (easy) and up A'Chaoirnich by the grassy wedge opposite the footbridge (steeper still). Nice stroll over the plateau, and back to the bike for a quick blast down the hill. Proper mountains - steep and interesting.Gill28/04/2017
With M. Cycle in to loch to do these two Corbetts (separately). Cycling easier than previous day, except for steep start. An Dun quite steep! Some snow to negotiate near the top.douglas_easton28/04/2017
After a bike ride from Dalnacardoch, solo. Also went up Maol Creag an Loch. 5.5 hours for the whole trip.Phreerunner09/04/2017
Solo.Dangerous Dave22/09/2016
Overnight circuit from Dalnacardoch. Followed track most of way to An Dun, but ford not possible to cross so took rough route to reach small dam and cross to climb S via S ridge of An Dun and visit both tops, camped at base of ridge. Light snowfall overnight then climbed Meall na Spianaig, A' Chaoirnich, the two possible tops of Bruthach na Creagan, returning S to climb Sron Odhar and rough traverse across lower section of Glas Choire and over broad ridge to Edendon Water and track of ascent route. Some sunshine and light covering of snow on tops on day 2.RobertP26/03/2016
JW, cycle approachUisdean2531/10/2015
Cycled in from the A9, to the two Gaick Corbetts.Robinho0808/11/2014
If this is not the top, why still on list? Mind you, did it just in case there is a shift in the tectonic plates.Martin R29/10/2014
direct ascent, snow caused variation of descent routeoatcake11/04/2014
Both tops baggedColumba26/08/2013
Dalnacardoch - An Dun - A' Chaoirnich - Dalnacardochdavidpettit8415/07/2013
Circuit from Sronphadruig Lodge after bike in.jimbloomer01/06/2013
Epic day. Cycled up Glen Tromie to Gaick lodge. Walked up to beyond south end of Loch an Duin & up south ridge of An Dun. Over both tops & down to north end of Loch an Duin. Then up horrendously steep western flank of A'Chaornich. Off north ridge back to Gaick Lodge. Got almost back to van & realised boots had fallen off back of bike. Cycled back nearly to Gaick Lodge to get them. 36 miles of cycling. 12 miles of walking & 3,000ft of ascent. Almost too exhausted to lift bike onto rack on van when I finally got back.ngthack11/05/2013
alone SheilaS01/10/2012
W Jenx over An Dun...nordicstar02/06/2012
an dun and a chaornich maol creag an loch cycled to end of track.robertphillips11/03/2012
Cycled up from Dalnacardoch to Sronphadruig, reuturn via A'ChaoirinichTopographer5715/08/2010
With Chris, using bike on track.Grinner17/10/2009
Out and back from Dalnacardochrjf3509/04/2009
2 of 3: From Maol Creag an Loch.ChrisR22/05/2007
how useful is a bike?! After doing The Fara from Dalwhinnie in the morning, I rode from the A9 to An Dun and then Maol an Creagan Loch in the pm.IanHHill08/09/2004
With Keith Taylor via MTB from south and in conjunction with Maol Creag an LochSpudGunn30/05/2004
Solo trip, from campInvicta1427/05/2004
Solo, With MCaL.amswanston23/01/2004
Solo. Dalnacardoch by MTB to Stronpha Druig Lodge then anti-clockwise to A'Chaoirnich & An Dun by its north ridge. A blustery misty autumnal morning.Vin26/10/2003
MC JCMartin6617/06/2001
On the TGO ChallengeBLACKHILL19/05/2000
On summit plateau, passed on way to 'new' summit. Walked from Dalnacardoch, took 2hrs to Sronphadruig Lodge then another 15mins to foot of hill. Then across to other Corbett.Aye Jimmy06/08/1998
Solo, with bike Uisdean2512/07/1998
On way to and from T'other one,arranc26/05/1997
Along track from Dalnacardoch to Sronphadruig Lodge, then up An Dun and on to A'ChaoirnichGallovidian06/05/1996
A long run up the track and back from Dalnacardoch.Eddie04/11/1995
Cairngorm Club weekend meet based at Newtonmore. Alone. From Dalnacardoch Lodge following the Gaick Pass to near Sronphadruig Lodge. Ascended to the summit of Craig an Loch*. There is a medium sized cairn at the grid reference given in Munro's tables, 1974 edition, but the real summit is further north where there are two or three stones only to mark the spot. I descended to NW and crossed Allt Loch an Dùin by a bridge. Hence up NNE ridge to summit of An Dùn**. Descended to S to join Gaick Pass route back to starting point. Notes added in 2016: *1981 edition of Munro’s Tables has position of top changed to the highest point. 1990 revision of Tables has name changed to Maol Creag an Loch. Now called A’ Chaoirnich. **There are two summits on An Dùn, both of height 827m. Currently the north summit is given as the Marilyn and the south summit as the Corbett. Note added in 2017: DBIH now gives the south summit of An Dun as the Marilyn as well as the Corbett.pwbellarby07/03/1993
Carn na Caim and a' Bhuidheanach Bheag (plus tops), also An Dun and Maol Creag an Loch RHW13/04/1990
I did wander over the plateau when I did An Dun, but unsure as to how far. Now that the two are the same hight I am taking back my corbett round,fasgadhblank
Sick Kid09/08/2019