12 International Eco-Travel Havens Captivating US Explorers

2. New Zealand’s South Island

New Zealand’s South Island enchants with its blend of dramatic landscapes and responsible tourism. Visitors can hike through UNESCO-designated reserves like Fiordland and Mount Aspiring National Park or stay at accommodations certified by Qualmark’s Sustainable Tourism Business program. The South Island is celebrated for adventure tourism, from glacier walks to kayaking and wildlife cruises, all designed to minimize environmental impacts. Its eco-lodges ensure guests leave only footprints and support local conservation work. US travelers find the region surprisingly accessible, with flights connecting through Auckland and Christchurch. Seasonality brings variety—summer (December to February) offers lush hiking conditions, while winter (June to August) is perfect for those seeking snow-capped beauty and fewer crowds. Many praise the South Island’s ability to balance raw nature with environmental stewardship, making it a top green choice for explorers who appreciate both wild adventure and thoughtful travel.