Sgurr Nan Ceanniachean is too small to be a Munro
Scotland has lost a Munro after the Munro Society discovered that Sgurr Nan Ceanniachean in Wester Ross does not meet the required height.
Latest measuring technology showed that the mountain is actually 913.4 metres in height - almost a full metre short of Munro height.
The reading has been verified by the Ordnance Survey and the hill will now be considered a Corbet.
It still leaves 283 Munros for hillwalkers to climb.
The Munro Society has completed four surveys this year using the new technology which has allowed the society to check if the original measurements on some of the best known mountains are correct.
But the society said walkers should not be worried about losing their status as "Munro baggers".
Iain Robertson, from the Munro Society, said modern technology had allowed them to take more accurate measurements. He added: "We use a GPS system which involves getting information from satellites.
"It is quite a protracted system. You have to spend up to two hours on top of a mountain which can, at times, be chilly but the results are very good and we pass them on to the Ordnance Survey and they seem to find our results acceptable."