Castanhal is a city near the eastern edge of the state of Pará northern Brazil. It is located some 65 km east of the state´s capital Belém and 50 km inland SE of the Bay of Marajo. It is accessed by car or bus via federal highway BR-316 . The climate is tropical rainforest. With a population around 185,000, it is the fifth largest city in the state (...)(from Wikipedia)