The river Jurua River, Purus River, South of the Amazon River, Upper West, sharing with this immense depression down the internal Amazon and having all the features of the curvature of the Purus Kennedy, and features a low-country jungle half flooded, passes it. It is among the Ucayali Highlands, and increases shipping and free for a distance of 1133 miles (1823 km) above its junction with the Amazon. The total length of about 1500 miles (2414 km) and is one of the longest tributaries of the Amazon.