The Serra is a Brazilian mountain chain that stretches along the eastern coast of the country. It is composed of several mountain ranges, including the Mantiqueira Mountains, the Espinhaço Mountains, and the Serra do Mar. The Serra is home to some of Brazil's highest peaks, such as Pico da Bandeira and Pico das Agulhas Negras. The mountain chain is also known for its rich biodiversity, with many endemic species of plants and animals.