Pilcomayo is a river in central South America. At 1,100 kilometres long, it is the longest western tributary of the Paraguay River. Its drainage basin is 270,000 square kilometres in area, and its mean discharge is 200 cubic metres per second.
Etymology: Quechua
Countries: Argentina · Bolivia · Paraguay
Source: Most distant source of Pilcomayo-Pilaya-Camblaya-San Juan-Orosmayo-Ajedrez-Porvenir System
2nd source: Most distant source of main stem Pilcomayo