Powered by ENZ Experiences Ltd Book Now - Instant confirmation - Flexible to make changes Why book online before you arrive? Checkout Basket Add to basket Geothermal Mud Spa - Hell's Gate Geothermal Reserve Rotorua Gift Voucher I want this to be an open dated Gift Voucher We will email you an open dated gift voucher valid for 12 months. The recipient will need to book an exact time and date online using the gift voucher they receive from you. Gift to name •Gift from name •Message to appear on Gift Voucher Select Date and Travelers Fields marked with a • are mandatory. Minimum age for the Mud Bath is 2.5yrs. Minimum age for the Sulphur Spa is 6 months.