Feast of the Eternal Father, also known as the Feast of Trindade, is a cultural event that takes place annually in Trindade, Goiás. It is a traditional religious celebration that lasts nine days, starting on the last Friday of June and ending on the first Sunday of July, which attracts Catholics from all over the country to the city. The festival is a registry of popular Catholicism, characterized by pilgrimage, which is the largest in the Central-West Region and the second largest in Brazil.

Trindade is a city and municipality in Goiás state, Brazil. It is famous for the religious celebrations held there in July and is now the third most important pilgrimage site in Brazil.