Derrubadas is a municipality of the Brazilian state of Rio Grande do Sul.

It is located at 27º15'53" South, 53º51'39" West, at an altitude of 485 meters above sea level.

[1] Occupying an area of 365.44 square kilometers, it is bounded in the north by the Uruguay River, where it is opposite Argentina and the state of Santa Catarina.

The municipality contains the 17,491 hectares (43,220 acres) Turvo State Park, created in 1947.

This geographical article relating to Rio Grande do Sul is a stub.