4-Day South Island Southern Discovery Tour from Christchurch. Spend three nights in Queenstown on this 4-day semi-independent tour of the scenic South Island. You’ll travel round-trip from Christchurch by narrated coach via Lake Tekapo and Aoraki/Mount Cook, with a full day of free time to spend at your leisure in New Zealand’s ‘adventure capital.’ Experience all the highlights along the way, including a Milford Sound cruise on the majestic fiord. Book this Tour and Save 10%: 4-Day South Island Southern Discovery Tour from Christchurch.