Organised by orienteering Hutt Valley, the rogains vary from 1 to 7 hours so there is something for everyone, even two rogaines suitable for mountainbikers.
Location
East Harbour Regional Park, Belmont Regional Park, Battle Hill Farm Forest Park. Base is at Muritai School Eastbourne with camping.
Cost
Varying costs, see the website for more details
More information
http://waitangi21.ohv.org.nz/