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Lake Rotorua facts for kids

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Lake Rotorua
Lake Rotorua.jpg
Location Rotorua District, Bay of Plenty Region, North Island
Coordinates 38°05′S 176°16′E / 38.083°S 176.267°E / -38.083; 176.267Coordinates: 38°05′S 176°16′E / 38.083°S 176.267°E / -38.083; 176.267
Type crater lake
Primary inflows Utuhina, Hamurana Spring, Ngongotaha
Primary outflows Ohau Channel
Basin countries New Zealand
Max. length 12.1 kilometres (7.5 mi)
Max. width 9.7 kilometres (6.0 mi)
Surface area 79.8 square kilometres (30.8 sq mi)
Average depth 10 metres (33 ft)
Max. depth 45 metres (148 ft)
Surface elevation 280 metres (920 ft)
Islands Mokoia Island
Settlements Rotorua, Ngongotaha

Lake Rotorua is a large shallow lake in the North Island of New Zealand.

The lake was formed from the crater of a large volcano. Its last major eruption was about 240,000 years ago. After the eruption, the magma chamber underneath the volcano collapsed. The circular depression left behind is the Rotorua Caldera, the site of the lake. Several other lakes of volcanic origin are nearby to the east around the active volcano Mount Tarawera.

The lake is large, 79.8 km2, but its mean depth is only 10 metres. It is in the Bay of Plenty region. The city of Rotorua is on its southern shore, and the town of Ngongotaha is at the western edge of the lake.

NZ-L Rotorua
position of Lake rotrua


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