New Zealand
Gardner's Gut is an extensive cave system in the Waitomo area of New Zealand. It is located in the Ruakuri Caves & Bush Scenic Reserve, an area that also contains a number of other natural features of note. The reserve is administered by New Zealand's Department of Conservation (DOC). With a length
of over 12 km of explored passages, it is New Zealand's 6th largest known cave system, and the largest in the North Island.
Listen to the audio guide for Gardner's Gut Free on WIP — starts by itself when you arrive, even with the screen off