In the mountainous north-east next to the Cameroon border, immediately north of the Mambilla Plateau; the largest of the seven national parks; 6°55'–8°05' N, 11°11'–12°13' E; 6,731 km²; in Adamawa and Taraba states; contiguous with Faro and 'Tchabal Mbado' (Tchabal Mbabo) parks in Cameroon; highland climate around Chappal Waddi; a pre-1918 German fort and garrison on Gashaka Hill with soldiers' graves, and an English fort near Gashaka village; Gashaka Primate Project (UCL, 2000); airstrip at Serti.