WHEN John Barnard and Graham Jackson reached the top of Miller Moss in the Lake District they had hiked up a hill. But when they returned to the bottom they knew they had come down a mountain.
Because after several hours of data collecting, the surveyors had proof that Miller Moss was more than 3ft taller than previously thought.
And that meant it had broken through the 2,000ft barrier (609.6 metres), the recognised threshold for when a hill becomes a mountain.
Now, like Hugh Grant in the movie The Englishman Who Went Up A Hill But Came Down A Mountain, they have had Miller Moss reclassified by Ordnance Survey.
It will become the 446th mountain listed in The Mountains Of England And Wales by Anne and John Nuttall and OS will have to alter maps.
Mr Barnard and Mr Jackson climbed Miller Moss on August 1, along with the Nuttalls and fellow hillclimber Jim Bloomer. It involved a three-mile hike each way with 14lb of equipment and around eight hours collecting data.
Mr Barnard, 69, said: ‘We’ve made it our passion. We’ve measured a lot of these hills and found several in England and Wales that have been reclassified.’ He said the equipment used is very similar to satnav.
‘It collects information from satellites and works out where you are and how high you are, although it’s more complicated than that. Ordnance Survey round up or down to the nearest metre so we knew there was a good chance it could reach over 2,000ft.’
An OS spokesman said: ‘We can confirm that we will be updating our maps to show a spot height of 610 metres (2001ft) for Miller Moss.’