There are several signs documenting this Guinness World Record in the area. The following text is from the sign closest to the top of the street, which is also the GPS coordinates for this waymark. This location is the steepest section of Baldwin Street.
Baldwin Street
"The Steepest Street in the World"
(Guinness Book of Records)
Steepest grade is 1 in 2.86
Steepest section is 70.6 metres below intersection with Buchanan Street.
Initially Baldwin Street slopes gently from the valley floor, the climbs steeply to its intersection with Buchanan Street at the top.
Over the 161.2 metre length of the top section, it climbs a vertical height of 47.22 metres, which is an average gradient of 1 in 3.41.
On its steepest section the gradient is 1 in 2.86.
Every year, during Dunedin’s Festival, large number of athletes, including family groups, take park in social and competitive foot races to the top of the street and back. These races are known as the “BALDWIN STREET GUTBUSTER”.
The street is named after William Baldwin, who carried out the original subdivision. Baldwin was a member of the Otago Provincial Council and founders of the “Otago Guardian” newspaper in 1873.
Dunedin City Council