Marvel at new zealands volcanic geology as you see the steaming cliffs of rainbow mountain the boiling mud pools near wai o tapu and the gushing geysers of orakei korako geothermal park wrap up on the waikato river with a jet boat ride full of high speed tricks and turns that will make you shriek with delight your 6 hour tour of rotoruas natural wonders includes short walks in incredible geothermal landscapes and a thrilling jet boat ride in one of the most scenic parts of the country