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Mitiaro facts for kids

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Mitiaro Aerial.jpg
Aerial photo of Mitiaro
Map of the Cook Islands
Area 22.25 km2 (8.59 sq mi)
Coastline 18.1 km (11.25 mi)
Highest elevation 10.9 m (35.8 ft)
Highest point western makatea
between Atai and Omutu
Population 155 (2016)

Mitiaro, the fourth island in the Cook Islands group, is of volcanic origin. Standing in water 14,750 feet (4,500 m) deep it is four miles (6.4 km) across at its widest point.


Mitiaro, also known as Nukuroa, is part of the Nga-Pu-Toru island group formerly, a volcano that became a coral atoll. The coral died forming fossilised coral (known locally as makatea). The island is surrounded by a belt of this makatea, between 20 and 40 feet (6.1 and 12.2 metres) high and characteristic of islands in the southern group. The centre of the island is almost flat, quite swampy and contains two freshwater lakes, Rotonui (big lake) and Toto Iti (small lake).

The lakes are teeming with eels (Anguilla obscura), which the locals call itiki, and the imported tilapia from Africa where it is known as bream. Beaches are limited but there are crystal-clear pools ideal for swimming in the subterranean limestone caves and the beach at low tide abounds in interesting marine life.

Important Bird Area

The island has been designated an Important Bird Area (IBA) by BirdLife International because it supports populations of Rimatara lorikeets and Cook reed warblers. It is a non-breeding site for bristle-thighed curlews.


The island has four villages, located close together on the western side, from north to south:

  1. Taurangi (a former village)
  2. Atai (also called Arai)
  3. Auta
  4. Mangarei
  5. Takaue

Among the populated lifted coral islands of the southern Cook Islands, only Mitiaro is not subdivided into traditional tapere.


Mitiaro School is located in the principal village, Atai. Takaue is the second largest village. Mitiaro Airport is located at the northern end of the island. There are three churches: the Cook Islands Christian Church, the Catholic Church and the Assembly of God.

In May 2018 the island's diesel generator was replaced by a Solar Photovoltaic system.


According to oral tradition Mitiaro was settled from Atiu, and was historicly dominated by that island. It was first discovered by Europeans when John Williams of the London Misisonary Society arrived in 1823. He left behind a Polynesian teacher, Taua, who began converting the islanders to Christianity. The estimated population at that time was less than 100 inhabitants. During the 1840s the island was attacked again by Atiuans.

In 1888 Mitiaro became a British protectorate as part of the Cook Islands Federation. In 1901 it was annexed by New Zealand.

Historical population
Year Pop. ±%
1906 210 —    
1916 237 +12.9%
1926 238 +0.4%
1936 265 +11.3%
1951 305 +15.1%
1961 307 +0.7%
1966 293 −4.6%
1976 305 +4.1%
1986 273 −10.5%
1996 319 +16.8%
2001 230 −27.9%
2006 219 −4.8%
2011 189 −13.7%
2016 155 −18.0%

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See also

Kids robot.svg In Spanish: Mitiaro para niños

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