Choose a 30-, 40- or 75-minute path from which to explore the geothermal wonderland that is Wai-O-Tapu. This protected area offers a kaleidoscopic experience with chromatic pools that can reach temperatures of 75° Celsius (167° F) and high-spraying geysers, the result of volcanic activity. Highlights are the Lady Knox Geyser and Champagne Pool, 65 meters wide and 62 meters deep (213 feet wide and 203 feet deep).