Três Marias, Municipal district in northwestern Minas Gerais, Brazil.
Três Marias is a municipality in northwestern Minas Gerais situated where one of Brazil's largest artificial reservoirs begins. The landscape features extensive water systems that define the local geography and shape settlement patterns.
The municipality was founded in 1963 following the completion of the São Francisco River dam in 1961. This major infrastructure project transformed the region and created the conditions for settlement.
The people of Três Marias maintain strong ties to water-based life through fishing and daily activities along the river. These practices shape the rhythm and identity of the community today.
The town connects to major centers through federal highway BR-040, which links to both Belo Horizonte and Brasília. This main road makes reaching the area straightforward from surrounding regions.
The territory includes an Ecological Station on an island within the reservoir that protects valuable natural habitats. This island sanctuary often goes unnoticed by visitors, though it offers a window into regional ecosystems.
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