The following height restrictions apply;
Maximum altitude above sea level for Castle Rock, Cass Bay, Lyttelton, Sugarloaf, Taylors Mistake
and Allendale is 3500ft (1066M) unless NZG853 is open.
NZG853 can be activated to allow flight to 5500 feet (1670M) by phoning the duty manager on 3581694 or via the flight briefing office, 0800NBOPLN ask for the duty manager. You will just need basic details and have in mind a time that the area can be de-activated.
Craigieburns 9500 feet above sea level (2890M).