Baixo Guandu is a municipality located in the Brazilian state of Espírito Santo that was founded on April 10, 1935 and established as a city on June 8, same year. The city's celebration day is April 10. Its population was 29,891 (2009) and its area is 918 km². The area is most well known for its exports of coffee, especially from the high mountains of the district of Alto Mutum Preto. The main watercourse through the municipality is the Rio Doce river ("Doce" means sweet in Portuguese) whose basin (of 83,500 square kilometers) is composed of 222 municipalities.