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Encyclopedia > Lake Rotorua
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Lake Rotorua
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Mokoia under stormy skies, seen from the south

Lake Rotorua is the second largest lake in the North Island of New Zealand, and covers 80 km2. It is located in the Bay of Plenty region 50 kilometres south of Tauranga. The city of Rotorua is sited on its southern shore, and the town of Ngongotaha is at the western edge of the lake.


The lake was formed from the crater of a large volcano in the Taupo Volcanic Zone. Its last major eruption was about 140,000 years ago. After the eruption, the magma chamber underneath the volcano collapsed. The circular depression left behind is the Rotorua Caldera, which is the site of the lake. Several other lakes of volcanic origin are located nearby to the east, around the base of the active volcano Mount Tarawera.


A chain of three lakes (Rotoiti, Rotoehu and Rotoma) are located to the northeast of Lake Rotorua. Lakes Rotorua and Rotoiti are connected by a small channel, and both drain to the Bay of Plenty via the Kaituna River.


Mokoia Island, close to the centre of the lake, is a rhyolite dome. It is probably New Zealand's best-known lake island, and is closely associated with one of the best-known Maori legends, that of Hinemoa and Tutanekai.


Owing to the geothermal activity around the lake (including still active geysers and hot mud pools), the lake has a high sulphur content. This gives the lake's waters an unusual yellowish-green hue.


  Results from FactBites:
 
Rotorua - Wikipedia, the free encyclopedia (668 words)
Rotorua is a district located on the southern shore of Lake Rotorua in the Bay of Plenty region of theNorth Island of New Zealand.
The lake is the largest of a multitude found to the north and east of the city, all connected with the Rotorua Caldera and nearby Mount Tarawera.
Rotorua was established as a borough in 1922.
Lake Rotorua - Wikipedia, the free encyclopedia (521 words)
Lake Rotorua is the second largest lake in the North Island of New Zealand by surface are, and covers 7878 ha.
Lake Rotorua is fed with water from a number of rivers and streams; some such as the Utahina flow water of a water temperature warmer than the lake due to the thermal activity in the Rotorua area.
Lake Rotorua flows directly into Lake Rotoiti via the Ohau Channel at the north eastern corner of the lake; this channel is navigable by boat and is also favoured by fly fishermen.
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