Champagne Pool is a notable geothermal feature in the Wayotapu geothermal region of New Zealand's North Island, and the name Champagne Lake derives from the abundant flow of carbon dioxide (CO2), similar to a glass of bubbling champagne. These hot springs were formed 900 years ago by a hydrothermal volcanic eruption. Today, this lake is considered one of the distinctive natural features of the country, which attracts tourists from all over the world!