A city grid meets a hillside
Baldwin Street’s steepness began as a mismatch between a plan and the ground. Dunedin’s street layout followed a grid drawn by British planners in London, while the city’s actual terrain rose sharply. The planned line ran straight up the slope instead of bending around it or following a gentler contour.
That choice is easy to understand on a map: a grid gives streets a regular, orderly pattern. On a hillside, though, straight lines can cross the steepest part of the terrain. Baldwin Street is the result—an ordinary-looking block on the plan that becomes extraordinary once the land beneath it is taken into account.
What a 35 percent incline means
A 35 percent grade is not a 35-degree angle. It means the street rises about 35 units vertically for every 100 units travelled horizontally. The distinction matters: the figure describes a sustained climb, not a near-vertical wall, but it is steep enough to change how people experience a short walk.
Going uphill demands more effort; going down shifts the challenge to keeping your balance and controlling your speed. Everyday tasks take on a different character, too. Carrying groceries or wheeling a bin means working against gravity on the way up and keeping it from running away on the way down.
The plan becomes part of local life
The street’s oddness is not just a matter of appearance. Its geometry turns a routine residential road into a place people notice and remember: the grid is still visible in its straight course, while the hill makes that course feel anything but routine. Even taking out the trash can become a small exercise in managing the slope.
Baldwin Street is a vivid reminder that a city plan is drawn on paper, but lived on land—and the land gets the final say.






