It’s not every day that our surveyors have the chance to climb Ben Nevis with all of their kit and resurvey the mountain. But they did recently and found that Great Britain’s tallest mountain is taller than we thought. Our new paper and digital maps will show the height as 1,345m and not 1,344m.
OS is Britain's mapping agency. We make the most up-to-date and accurate maps of the country. But we're also a digital business, and we use our content to help governments, companies and individuals to be more effective both here and around the world.