Lake Aroarotamahine, also known as Green Lake, is one of two small crater lakes on

Mayor Island / Tuhua In many countries, a mayor is the highest-ranking official in a Municipal corporation, municipal government such as that of a city or a town. Worldwide, there is a wide variance in local laws and customs regarding the powers and responsibilities ...

in the Bay of Plenty, New Zealand. Its outlet is a wetland leading to the smaller Lake Te Paritu or Black lake. The lake has a green colour due to algae. According to

Māori Māori or Maori can refer to: Relating to the Māori people * Māori people of New Zealand, or members of that group * Māori language, the language of the Māori people of New Zealand * Māori culture * Cook Islanders, the Māori people of the C ...

legend, the green is the blood of Pounamu (greenstone) which fought a battle with Tuhua (obsidian), and, defeated, fled to the South Island.

References

Aroarotamahine Aroarotamahine {{BayofPlenty-geo-stub