Baldwin Street in Dunedin has a measured gradient of 34.8%, making it the world's steepest residential street according to Guinness World Records. A Welsh street briefly disputed the title, but Guinness reinstated Baldwin Street as the official record holder in 2020.
Record no. MRB-2026-005769
Steepest Street in the World
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.