The Mambilla Plateau is a plateau in the Taraba State of Nigeria. The Mambilla Plateau has an average elevation of about 1,600 metres (5,249 ft) above sea level, making it the highest plateau in Nigeria. Some of its villages are situated on hills that are at least 1,828 metres (5,997 ft) above sea level. Some mountains on the plateau and around it are over 2,000 metres (6,562 ft) high, like Gang or Chappal Waddi which has a height of 2,419 metres (7,936 ft) above sea level. It is the highest mountain in Nigeria and in West Africa. The Mambilla Plateau measures about 96 km (60 mi) along its curved length; it is 40 km (25 mi) wide and is bounded by an escarpment that is about 900 m (2,953 ft) high in some places. The plateau covers an area of over 9,389 square kilometres (3,625 sq mi).