Major religions practiced in Gabon include Christianity (Roman Catholicism and Protestantism), Islam, and traditional indigenous religious beliefs. Many people practice elements of both Christianity and traditional indigenous religious beliefs.
The main river in Gabon, Ogooue River, arcs across the entire country, with major tributaries including Ivindo and Mpassa. Its mouth is at Port Gentil, on the Atlantic Coast, and it originates in the Republic of the Congo.
As a predominantly Christian nation, religious celebrations are widely observed throughout Gabon, along with other traditions involving faith like Ramadan.