Source of the Amazon River the Mantaro. Explorers and scholars have identified each of the three rivers as being the source of the Amazon under one of the three definitions. The Mantaro is the most distant upstream point; the Maraňón is the main stem of the Amazon; and the Apurímac is the most distant source with an uninterrupted flow of water. The Amazon River is the largest river in the world in terms of its discharge into the Atlantic Ocean and either the longest or second longest river in the world, contending with the Nile River for that honor. More than from its mouth, upstream
Longest train services are listed in this subcategory. All services operated by Renfe All services are operated by Via Rail. All services are run by Amtrak. The China Railway G403/4, G405/6 and D939/40 Beijing-Kunming high-speed train (2653 km, 10 hours 43 minutes to 14 hours 54 minutes), which began service on January 1, 2017, is the longest high-speed rail service in the world. The previous record-holder was the likewise Chinese Beijing–Guangzhou–Shenzhen–Hong Kong high-speed railway at 2230 km. Longest train services This article lists longest passenger rail services that are currently scheduled and running directly between two cities. This list is not complete due