Grande River

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The Grande River (Rio Grande in Portuguese) is in south-central Brazil. It rises in the Mantiqueira Mountains in the state of Minas Gerais and descends inland, west-northwestward. Its lower course marks a portion of the Minas Gerais-São Paulo border. At the Mato Grosso do Sul state border, after a course of 1,360 km., it joins the Paranaíba River to form the Upper Paraná River.

The Grande is interrupted by several dams and reservoirs: in the upper Grande the river forms Furnas Reservoir, then Peixotos, and downstream, Água Vermelha.

The river plays a major role in production of electricity and, due to rapids and waterfalls, and absence of locks, is only navigable by small craft in limited stretches.