曼达拉山脉是非洲西北部由火山组成的山脉，从贝努埃河（9°18′N 12°48′E / 9.300°N 12.800°E / 9.300; 12.800）沿着喀麦隆和尼日尔利亚的边界一直向北伸延200公里至马鲁阿西北面（11°0′N 13°54′E / 11.000°N 13.900°E / 11.000; 13.900），最高点1,494米（10°53′N 13°47′E / 10.883°N 13.783°E / 10.883; 13.783），山脉地区人口稠密。

The Mandara Mountains (Monts Mandara) are a volcanic range extending about 200km (about 125 mi) along the northern part of the Cameroon-Nigeria border, from the Benue River in the south (9°18′N 12°48′E / 9.3°N 12.8°E / 9.3; 12.8) to the north-west of Maroua in the north (11°00′N 13°54′E / 11.0°N 13.9°E / 11.0; 13.9). The highest elevation is 1,494 m (4,900 ft), the summit of Mount Oupay (10°53′N 13°47′E / 10.883°N 13.783°E / 10.883; 13.783).