The new Hafor Eryri building, mapped by OS surveyors on Snowdon's summit

Snowdon’s new summit cafe will appear on maps from September after Ordnance Survey staff mapped the building.

The Hafod Eryri, which opened officially last month, is the highest structure captured by the OS’s surveyors. A team from the Southampton-based body had already surveyed the building by the time it opened its doors.

The OS says the £8.4m visitor centre has already appeared on the national mapping organisation’s digital products.

Steve Roddick, surveyor responsible for collecting the building details, said: “With traditional methods of surveying we wouldn’t have been able to carry out the survey on the day we were there, due to poor visibility.

“We couldn’t actually see the building from the trig pillar on the summit even though it’s only 50 yards away. However, with our new hi-tech kit, which relies on global satellites for positioning, we were able to map the building without any problems, even though we could barely see it!”

Mick Hardy, who helped survey the building added: “The new building is truly magnificent and the views are amazing. However, even in April it was freezing up there and I’m not surprised that visitors need a hot cuppa when they get to the summit.”

The new cafe and visitor centre, which replaced an edifice designed by Sir Clough Williams-Ellis and described as the Prince of Wales as the nation’s highest slum, was opened more than a year past its planned date as harsh winter weather delayed work on the building, on the 1,065m (3,560ft) summit.