Deep In the heart of west coast glacier country, Rainforest Retreat offers a range of accommodations set among lush native bush in the Franz Josef township. Rainforest Retreat offers a range of accommodations from luxury tree huts to backpackers rooms. Guests can relax in the spas and sauna, dine out and have fun at the bar/restaurant, or just relish the bush setting and cook up barbecues with new friends.