Question: Where does the amazon river start and end?
Disambiguated questions and answers: question: Where does the amazon river start according to understanding before 2014?
Where does the amazon river end?
Where does the amazon river start according to new information since 2014?
answer: headwaters of the Apurímac River on Nevado Mismi
Atlantic Ocean off of Brazil
0°42′28″N 50°5′22″W
Río Mantaro
headwaters of the Mantaro River on the Cordillera Rumi Cruz in Peru
10°43′55″S 76°38′52″W
Huancayo, Huancayo Province, Peru
Natural Questions answer: Atlantic Ocean (from the Wikipedia article "Amazon River")