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Mount Roraima, Venezuela, Brazil and Guyana
Mount Roraima is the highest of the Pakaraima chain and has a huge 31 km2. On all sides of the summit there are cliffs rising straight up for 400 metres (1,300 ft). The summit is at an elevation of 2,810 m (9,220 ft). The mountain also serves as the triple border point of Venezuela (which holds most of it), Brazil and Guyana.