The hosts of the tournament won with a score of 2:0.
Cameroon beat Gambia 2-0 in the quarter-finals of the African Cup of Nations at home.
Lyon's Carl Toko Ekambi won the victory for the Lions with a brace in the second half..
In the semi-finals of the tournament, the Cameroon team will play with the winner of the pair Egypt - Morocco.
Gambia 0-2 Cameroon Goals: Toko Ekambi, 50, 57.
Gambia: Gay - Sundberg (Sesay 85), Gomez, Collie, Jagni (Barrow 56) - Janko (Darbo 56), Bobb, Marreh (Joub 82), Touray - Barrow, Badamosi (Collie 56).
Cameroon: Onana - Castelletto, Ngade-Ngajui, Tolo - Fe (Mbaizo, 84), Ongla (Kunde, 81), Zambo-Angissa (Neu, 87), Gwet, Ngamale (Bassogog, 88) - Abubakar, Toko-Ekambi (.
Warnings: Sundberg, Jagni, Gay-Ngade-Ngajui.