The word ’Tepui’ means ’home of the gods’ in the language
of the indigenous people of Gran Sabana where these incredible,
ominous natural structures are located.
Tepuis tend to be found as isolated entities rather than in connected
ranges, which makes them host to hundreds of endemic plant and animal species,
some of which are found only on one tepui. Towering over the surrounding
forest, the tepuis have almost sheer vertical flanks, and many rise as much as
1,000 meters above the surrounding jungle. The tallest of them are over 3,000
meters tall. The nearly vertical escarpments and dense rainforest bed on which
these tepuis or mesa lie make them inaccessible by foot. Only three of the Gran
Sabana's mountains can be reached by foot, among which the 2,180m-high Roraima
is the most accessible.
Tepuis are the remains of a large sandstone plateau that once covered
the granite basement complex between the north border of the Amazon Basin and
the Orinoco, between the Atlantic coast and the Rio Negro, during the
Precambrian period. Over millions of years, the plateaus were eroded and all
that were left were isolated flat-headed tepuis. Although the tepuis looks
quite barren, the summit is teeming with life.
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