Lake Te Paritu, also known as Black Lake, is one of two small crater lakes on Mayor Island / Tuhua in the Bay of Plenty, New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. It is connected to the larger Lake Aroarotamahine

Lake Aroarotamahine

Lake Aroarotamahine, also known as Green Lake, is one of two small crater lakes on Mayor Island / Tuhua in the Bay of Plenty, New Zealand. Its outlet is a wetland leading to the smaller Lake Te Paritu or Black lake....

 or Green Lake by a wetland, but there is no surface outlet to the sea as both lakes are in a depression.

The lake has a black colour due to fine sediment. According to Māori legend, the black is the blood of Tuhua (obsidian) which fought a battle with Pounamu (greenstone) who, defeated, fled to the South Island.