Alto Alegre dos Parecis is a municipality located in the Brazilian state of Rondônia.

Its population was 13,255 (2020) and its area is 3,958 km².

[2] The municipality contains 20% of the 384,055 hectares (949,020 acres) Corumbiara State Park, created in 1990.

[3] It also contained the 38,950 hectares (96,200 acres) Serra dos Parecis State Park, created in 1990 and cancelled in 2010.

[4] This Rondônia, Brazil location article is a stub.