Presumed altitude. Mount Roraima is a large, roughly flat tabletop plateau (a tepui) where the borders of Guyana, Venezuela and Brazil meet. Its highest elevation is at 2,810 m or 9,219 ft, but that point is fully inside Venezuelan territory. The highest point in the Brazilian part of the mountain was determined by a 2005 Brazilian Army survey to be at the international border tripoint and measured by GPS to be at 2,734 m or 8,970 ft. The exact highest point on the Guyanese side of the mountain is not known and may be the border tripoint as well, but it is certainly close to that altitude value anyway. It should also be noted that Venezuela claims that region of Guyana as Guayana Esequiba and therefore does not recognize Mount Roraima as containing Guyana's highest point.
