What famous walking track is located on New Zealand's South Island?

The Routeburn Track is renowned as one of New Zealand's Great Walks, situated in the picturesque landscapes of the South Island. This track spans approximately 32 kilometers and traverses through the stunning scenery of both Fiordland National Park and Mount Aspiring National Park. The route features varied terrains, diverse ecosystems, and breathtaking views of alpine peaks, valleys, and turquoise rivers, attracting hikers looking for both adventure and natural beauty.

This track is particularly famous not only for its remarkable scenery but also for the rich biodiversity, including native wildlife and plant species. Additionally, being part of the Great Walks network, it offers well-maintained paths and huts along the way, ensuring a safer and more enjoyable experience for walkers.

The other options mentioned, while they may pertain to picturesque trails in New Zealand, do not specifically represent walking tracks located solely on the South Island. For instance, the Abel Tasman Track is also a notable destination but is primarily located in the Abel Tasman National Park, which is separate from the areas served by the Routeburn. The Tongariro Alpine Crossing is famously found on the North Island, close to Mount Ruapehu, and the Franz Josef Trail, though scenic, does not carry the same acclaim as a walking