Igarapé Açu is a waterway located near Manaus in the state of Amazonas, Brazil. The city of Manaus serves as the primary gateway and put-in point for expeditions. The area is described as remote and untouched, offering a paddling experience deep within the Amazon rainforest. A specific trail for hiking and paddling runs 5.6 miles out-and-back, or approximately 2.8 miles one-way from an access point near Manaus to Igarapé Acácia. This route is generally considered moderately challenging and takes an average of 2 hours and 29 minutes to complete, suggesting a pace suitable for a combination of paddling and potentially portaging or hiking. The overall character of paddling here involves gliding silently through a pristine, remote region. Multi-day kayak expeditions of 3 to 5 days are organized from Manaus into the Igarapé-Açu region, indicating the area is suitable for extended wilderness trips.