TThe Te Waikoropupu Springs ('Pupu Springs') are located in Golden Bay, on Zealand's South Island. The springs are known for the clarity of the water, and the volume of water discharged. The springs are spiritually significant to the Māori people. The horizontal visibility of the water in the springs has been measured at an average of 63 metres. . It is estimated that 14,000 litres of water are produced per second, approximately enough to fill 40 bathtubs.