Like the rainforest which takes its name, the Amazon is the largest and most biodiverse river on the planet: the Amazon carries more than five times the volume of world's second largest river — the Congo — and its basin is home to at least 3,000 species of fish.

The Amazon River is truly extraordinary, holding a place of awe in the natural world. Here’s what makes it so special, broken down into key areas:

1. Sheer Scale and Power

• The Largest by Volume: It discharges more water than the next seven largest rivers combined, pouring about 20% of all freshwater entering the world’s oceans. During the wet season, it can disgorge up to 300,000 cubic meters per second into the Atlantic.
• Massive Drainage Basin: Its basin covers approximately 7 million square kilometers (2.7 million sq mi), roughly the size of Australia, spanning nine countries.
• Debated Length: While the Nile is often cited as the longest, some studies suggest the Amazon’s length (when including its tidal estuary and a different source in the Andes) could be slightly longer, making it a subject of ongoing debate.

2. The “River Sea” and Unique Phenomena

• Incredible Width: It is so vast that for long stretches, you cannot see the opposite bank. During the wet season, it can expand to over 48 km (30 miles) wide.
• The Meeting of Waters (Encontro das Águas): Near Manaus, Brazil, the dark, sediment-rich Amazon water flows side-by-side for nearly 6 km with the clear, sandy-colored water of the Rio Negro without mixing, due to differences in temperature, speed, and density.
• Tidal Bore (Pororoca): Its funnel-shaped mouth creates a powerful tidal bore—a wall of water up to 4 meters high that roars upstream during