Eastern Tepuis

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Eastern Tepuis (Roraima–Ilú range)
Tepuys Landsat 11 mars 2004.jpg
Landsat image of the southern part of the Eastern Tepuis. The two large central plateaus are Kukenán-tepui (left) and Roraima-tepui. Wei-Assipu-tepui is the small peak to the northeast of Roraima, and Yuruaní-tepui is visible in the top left of the frame.
Highest point
Peak Roraima-tepui
Elevation 2,810 m (9,220 ft)
Geography
Eastern Tepuis is located in Venezuela
Eastern Tepuis
Location in Venezuela
Location Roraima, Brazil / Cuyuni-Mazaruni, Guyana / Bolívar, Venezuela
Range coordinates 5°15′N 60°50′W / 5.25°N 60.83°W / 5.25; -60.83Coordinates: 5°15′N 60°50′W / 5.25°N 60.83°W / 5.25; -60.83

The Eastern Tepuis (Spanish: Tepuyes Orientales[1]), also known as the Roraima–Ilú range, is a mountain chain stretching for some 60 kilometres (37 mi) along the border between Guyana, Venezuela and, to a lesser extent, Brazil.[2] It runs in a northwesterly direction from the tripoint of these countries, closely following the Guyana–Venezuela border, with a single major peak (Uei-tepui) to the south, on the Brazil–Venezuela border. Moving northwest from Uei-tepui (2,150 m), the main summits of this chain are Roraima-tepui (2,810 m), Kukenán-tepui (2,650 m), Yuruaní-tepui (2,400 m), Wadakapiapué-tepui (2,000 m), Karaurín-tepui (2,500 ), Ilú-tepui (2,700 m), and Tramen-tepui.[2] The minor peak of Wei-Assipu-tepui lies entirely outside Venezuela, on the border between Brazil and Guyana. Additionally, there are a number of minor plateaus which form a chain between Uei-tepui and Roraima-tepui.[3] Ilú- and Tramen-tepuis are often treated together since they are joined by a common base.[2]

The Eastern Tepuis chain has a total summit area of around 70 km2 (27 sq mi) and an estimated slope area of 320 km2 (120 sq mi).[2] It includes some of the best known and most widely visited tepuis, particularly Roraima and nearby Kukenán.

Kukenán-tepui (left) and Roraima-tepui, the two most visited of the Eastern Tepuis. The Tëk River and the relatively dry grasslands of the Gran Sabana are visible in the foreground.
Panoramic view of the Eastern Tepuis chain. From left to right: Tramen-tepui, Ilú-tepui, Karaurín-tepui, Wadakapiapué-tepui (obscured by clouds), Yuruaní-tepui, Kukenán-tepui, and Roraima-tepui (obscured by Kukenán and clouds).

See also[edit]

References[edit]

  1. ^ (Spanish) Brewer-Carías, C. (2012). Roraima: madre de todos los ríos. PDF Río Verde 8: 77–94.
  2. ^ a b c d Huber, O. (1995). Geographical and physical features. In: P.E. Berry, B.K. Holst & K. Yatskievych (eds.) Flora of the Venezuelan Guayana. Volume 1. Introduction. Missouri Botanical Garden Press, St. Louis. pp. 1–61.
  3. ^ McPherson, S., A. Wistuba, A. Fleischmann & J. Nerz (2011). Sarraceniaceae of South America. Redfern Natural History Productions, Poole.