Baldwin Street in Dunedin, New Zealand, initially held the title of the world's steepest street with a gradient of 34.8 percent. Ffordd Pen Llech in Harlech, Wales, had claimed the record with a ...

The Guinness World Records has an award for the steepest road in the world, and Baldwin Street of New Zealand is the current title holder. Often, if a city boasts one of the top sloping streets ...

In 2020, Guinness World Records updated its measurement criteria to base the gradient on the central axis of the road, when Ffordd Pen Llech in Harlech, Wales, claimed the record in 2019, and those ...