The adventure would be an eco tourist dream........ A two day hike either along the South Coast track or up over the Hump Ridge checking, re setting and re baiting (when needed) the stoat, rat traps.  Accommodation and Breakfast (porridge) at the Hump Track Lodges at Port Craig or Okaka on the first night Second evening at the Waitutu Lodge. Then the best bit a jet boat ride up the Wild Wairaurahiri River across Lake Hauroko then back to their vehicle at Track start.  

You'll need to take your own food and sleeping bag along with your personal gear, cooking equipment supplied at lodges.(bedding can be hired).  For more info contact www.wjet.co.nz.