Mount Roraima (known as Cerro Roraima in Spanish, Monte Roraima in Portuguese), with a peak at 2,810 metres (8986 feet).

The mountain marks the border between Venezuela, Brazil and Guyana, although more than three quarters of the mountain is in Venezuelan territory. It is the highest mountain in Guyana. The triple border point on the summit is at 5°12′08N, 60°44′07W.

Roraima lies on the Guiana Shield. The tabletop mountains of the park are considered some of the oldest geological formations on Earth, dating back to the Precambrian Era, some two billion years ago.

The average height of the plateau is about 2,500 metres (8,200 feet), making it the highest point for distance of 549.44 kilometres (341.48 miles) in any direction.