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Main galleries: Rapa Nui National Park y Easter Island#Geology.
Archivo:Osterinsel Krater-Rano Kao.jpg

View of Rano Kau from the approach to Orongo showing the gap in the lip of the crater wall

Rano Kau is a 324 metre tall extinct volcano that forms the southwestern headland of Easter Island, a Chilean island in the Pacific Ocean; it was formed of basaltic lava flows in the Pleistocene with its youngest rocks dated at between 150,000 and 210,000 years ago.

Archivo:Easter Island map-en.svg

Rapa Nui, with Rano Kau and the volcanoes Terevaka & Poike. To the South are the ruins at Orongo, as well as the islets Motu Nui, Moto Kau Kau & Motu Iti. To the North are Mataveri International Airport then Hanga Roa town

Rano Kau has a crater lake which is one of the island's only three natural bodies of fresh water. Most of the Volcano is on the coast and has been eroded back to form high sea cliffs which at one point have started to bite into the crater wall. On its Northern side the Volcano slopes down to Mataveri International Airport.

Rano Kau is in the world heritage site of Rapa Nui National Park and gives its name to one of the seven sections of the park. The principal archaeological site on Rano Kau is the ruined ceremonial village of Orongo which is located at the point where the sea cliff and inner crater wall converge. One Ahu with several Moai was recorded on the cliffs at Rano Kau in the 1880s, but had fallen to the beach by the time of the Routledge expedition in 1914.

As well as basalt, it contains several other igneous rocks including obsidian (for which it was one of the major sources for the islands stoneworkers), and pumice.

Archivo:Pano Rano Kao.jpg

Crater Lake of Rano Kau

The crater is almost a mile across and has its own micro climate. Sheltered from the winds that dry most of the rest of the island, figs and vines flourish at Rano Kau.[1]

Geothermal activity[]

At some point in the early twentieth century the island's manager took a photo of steam coming out of the crater wall Steam crack in Rano Kau

External links[]


  1. Flenley & Bahn 2003 The enigmas of Easter Island ISBN 0-19-280340-9 page 18

Plantilla:National Parks of Chile Plantilla:World Heritage Sites in Chile

cs:Rano Kau es:Rano Kau no:Rano Kau