Grafton Gully is a deep (about 50 m) and very wide (about 100 m) gully running northwards towards the sea through the volcanic hills of the Auckland volcanic field in New Zealand. It divides the CBD from the suburbs of Grafton and Parnell in the east.
One of early Governors of New Zealand was Robert FitzRoy, whose grandfather was the third Duke of Grafton. The suburb that developed next to the Government Domain and Hospital was called Grafton. Eventually the adjoining gully became known as Grafton Gully although many people continued to call it Cemetery Gully for some years.
The gully is of the few areas in central Auckland that has not been claimed by buildings or for recreation (mostly due to the steepness of its sides), though prior to the construction of the motorway part of the gully was occupied by the Blandford Park sports facility until the mid-1960s.
Large parts of the gully are still mostly covered with bush, though the bottom of the gully carries multiple motorway lanes of State Highways 16 into the city further north (such as to Ports of Auckland). SH16 (Stanley Street) carried an average of 34,000 vehicles per day in 2003.
The Grafton Gully motorway project included two stages (with a third planned for when future traffic reaches trigger levels) and was built for NZ$68 million during 2001-2003.
- Pearce, Bob (5 October 2005). "Soccer: When Auckland could thrash pride of Austria". The New Zealand Herald. Retrieved 3 January 2011.
- The Project (from the Grafton Gully project website at Transit New Zealand, retrieved 2007-07-28)
- Dearnaley, Mathew (16 April 2010). "Cyclists eager to have last link to city". The New Zealand Herald. Retrieved 6 July 2010.