Discover Waitomo's longest underground guided walking tour According to Maori legend Ruakuri Cave (rua meaning den and kuri meaning dog) was first discovered 400-500 years ago by a young Maori hunting for birds. He was attacked by wild dogs just outside the original cave entrance. Re-opened in 2005 this cave is now an amazing example of engineering and natural cave structure. Ruakuri Cave offers a captivating blend of Waitomo's most compelling subterranean experiences. Ruakuri Cave is New Zealand's longest guided underground walking tour and an experience that must be seen to be believed. It will leave you open-mouthed awe-struck and humbled by the sheer majesty of nature. With clever and innovative design Ruakuri Cave has full wheelchair and pushchair access.