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Ben Nevis, Britain's tallest mountain, is a little bit bigger than we thought.

The Ordnance Survey (OS), has re-measured the Scottish peak and its official height is now put at 4,411ft (1,345m) - a metre taller than before.

"Not wrong just different," said Mark Greaves, OS geodetic consultant, who worked out the measurement.

(Photo: Ben Nevis. Credit: Thinkstock)