Riacho dos Machados is a municipality in the northern region of Minas Gerais, Brazil.
The municipality contains part of the 49,830 hectares (123,100 acres) Serra Nova State Park, created in 2003.
[2] The main economic activities are cattle raising (20,000 head in 2006) and farming with a large production of corn (4,350 ha.)
The Gross Domestic Product was R$ 23,238,000 (2005) a year, which was mainly generated by services and agriculture.
Riacho dos Machados was in the bottom 100 of the poorest municipalities in Minas Gerais