Here is a partial list of the ethnic groups of Gabon by province.
Estuaire Haut Ogooué Moyen Ogooué Ngounié
Ogooué-Ivindo
Ogooué-Lolo Ogooué-Maritime Woleu Ntem
... and can occasionally experience frost and snow. Precipitation is abundant in the humid Amazon Basin[?], though more arid landscapes are found as well, in particular in ...