Kogin Amazon na da tsawon kilomita 6,259 - 6,992. Zurfinta marubba’in kilomita 6,112,000 a kasa. Matsakaicin saurinta 209,000 m3/s. Mafarinta daga tsaunukan Nevado Mismi, a Peru. Kananan rafufukanta su ne Madeira da na Rio Negro. Ta bi cikin Peru, Colombia da Brazil. Waxannan biranen na samuwa a gefen kogin Amazon; Iquitos, Leticia, Tabatinga, Coari, Manaus, Santarém, Macapá. "Hydrologie du bassin de l'Amazone" (pdf) (in Faransanci).