The Bonspiel is New Zealand's major tournament in the traditional crampit form of the game. The event is called only when there is sufficient natural ice on an outdoor rink. Oturehua's Idaburn Dam has been the venue since 1932, except for 2015 when the Centennial Ponds in Naseby were used.
Two rinks (teams) from each club play 4 games each over 2 days, with the winning club being the one with most wins from their 8 games. Total points scored is used to separate clubs with the same number of wins.
|Winners of the New Zealand Curling Province Bonspiel|
|Year||Champion Club||Year||Champion Club|
|1884||Otago Central||1942||Rough Ridge|
|1894||Mt Ida||1951||Upper Manuherikia|
|1899||Mt Ida||1954||Upper Manuherikia|
|1902||Otago Central||1959||Blackstone Hill|
|1909||Blackstone Hill||1971||Otago Central|
|1910||Blackstone Hill||1973||Mt Ida|
|1913||Upper Manuherikia||1986||Ranfurly (centennial) *¹|
|1934||Mt Ida||2011||Poolburn (125th Jubilee) *²|
|1937||Blackstone Hill||2015||Blackstone Hill|
|*¹||Due to a lack of ice, 1986 was a mini-Bonspiel with each club entering only one team. Although not a Grand Match, the NZCP felt its centennial needed to be celebrated with a Match. The morning conditions at Naseby were suitable, but the ice deteriorated in the afternoon.|
|*²||The 125th Jubilee Bonspiel in 2011 was played on artificial ice – 1 outdoor rink (Alexandra) and 3 indoor (Dunedin, Gore, Naseby). Most clubs entered just one team; each team played 7 games.|