This the ultimate Port Hills ride. It starts with the Crocodile Track and follows several single tracks along the rim of the extinct volcano to Godley Head. Many of these tracks were closed in 2011, but by mid-2014 they were all reopened, and some were riding better than ever.
For the latest on track status, check out: www.ccc.govt.nz/cityleisure/gettingaround/cycling/trackstatus.aspx. Hopefully much of the ride described below will be open again soon.