Río Ichilo is a Bolivian river at the foot of the Eastern Andes-Cordillera in South America. It lends its name to the Ichilo Province, one of the 15 provinces of the Santa Cruz Department of Bolivia.From its source to the mouth into the Amazon the river has a total length of 2,455 km. Ichilo itself has a length of 632 km and a catchment area of 15,660 km². It has its maximum depth is 18.6 m, right below Puerto Villarroel at km 100, its maximum width is 420 m at km 75. Ichilo is one of the Bolivian rivers with a high amount of water.