Fonte Boa is a city in the state of Amazonas, Brazil. It is located in the western region of the state, along the Solimões River. The city has a population of approximately 23,000 people and covers an area of 13,303 square kilometers. The main economic activities in Fonte Boa are agriculture, fishing, and cattle ranching. The city is also known for its beautiful natural landscapes, including rivers, lakes, and forests.