They are located in the district of Chacona, part of the town of Güímar on the island of Tenerife in the Canary Islands.
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In 1990, adventurer and publisher, Thor Heyerdahl, became aware of the "Canarian Pyramids" by reading an article written by Francisco Padrón in the Tenerife newspaper "Diario de Avisos" detailing "real pyramids on the Canaries".
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The main limiting wall points to the sunset in the Summer solstice and the pyramids have stairs on their western side which face the direction of the rising sun on the Winter solstice.
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These authors argue that solstices are very important in the symbolism of Freemasonry and that the owner of the land in the epoch in which the pyramids were built was himself a freemason.
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Also, standing on the platform of the largest pyramid on the day of the Summer solstice it is possible to experience a double sunset, as first the sun sets behind a mountain top, then it emerges again from behind the mountain and sets a second time behind a neighbouring peak.