up to 24 hours before the experience starts (local time)
The turn off to Aoraki/Mt Cook is on SH8 by Lake Pukaki. Driving east this can be found 8kms from Twizel and driving west, 50kms from Lake Tekapo. Turn onto SH80, which leads you to the Mt Cook Village. 6kms from the Village, follow signs to the Mt Cook airport.
You can cancel up to 24 hours in advance of the experience for a full refund.