Sierra de Lema

The Sierra de Lema is a mountainous upland area of Bolívar state, Venezuela. Lying north of the Gran Sabana, it marks the divide between the drainage basins of the Caroní and Cuyuni Rivers. It is partly within the bounds of Canaima National Park and encompasses a number of prominent tepuis, including the entire Los Testigos chain and Ptari Massif. The elevational range of the Sierra de Lema is around 150–1,650 metres (490–5,410 ft) above sea level. The names Sierra Rinocote and Sierra Usupamo (or Usupama Mountains) have historically been applied to its eastern and western portions, respectively.