international sources believed Mont Gréboun, far to the north, to be the highest peak in the nation as late as 2001, when Gréboun's long standing lower measurement...

intrusion peaks, which include Mont Idoukal-n-Taghès (Niger's highest point at 2022 m), Mont Tamgak (1988 m), Mont Greboun (1944 m), Adrar Bous, Fadei,...