Amazon River and which is part of a large archipelago of the same name.From February through May, the rains flood the pasture fields and land vehicles are replaced by water vehicles, using the same roads and amid exuberant vegetation. From May through January, sightseeing of the island will take you both to fresh water beaches and to vestiges of pre-Columbian civilizations. The starting points for so much adventure are Soure and Salvaterra, twin towns located east of the Marajo Island.In the same archipelago is the Caviana Island, with an area of 5 square kilometers, and the best site for watching the pororoca, the encounter of the waters of the Amazon River and of the Atlantic Ocean in April and September. There is also the Mexiana Island, equipped with a resort specialized in ecotourism, the right place for a direct contact with the Amazon jungle and the great sea-river. Experience the jungle Several biodiversity preserves are located in Para. These preserves are stretches of forest, chosen for being sanctuaries to unique species. The National Forests, the Parks and the preserves offer the ecotourists a wide array of options, in each one, the experience of biodiversity presents a new face.Caxiuana National Forest 300 square kilometers of dense forest, accessible only by boats leaving from Belem. In this forest lies the Emilio Goeldi's jungle-base, where researches may be developed at a site where nature remains untouched.Tapajos National Forest Located in the Central Region of the Brazilian Amazon, in the west of Para, the Tapajos National Forest, headquartered in Santarem, has an area estimated in 6 square kilometers.Universities and scientific institutions develop research on the peoples who have lived in the area for hundreds of years. The area is accessible by road.Saraca-Taquera National Forest Located to the west of Oriximina city, with an area of 4.3 square kilometers, and accessible only by boat along the Trombetas River, this National Forest offers canoeing, sport fishing, and trails for hiking, and houses of population groups descending from the quilombos (communities of run-away slaves).Tapirape-Aquiri National Forest with an area of 1. 9 square kilometers and is located between the municipalities of Maraba and Sao Felix do Xingu, in the south of Para. Large predators, such as jaguars, can be found in the region. The thrill of the land Mountains, caves and life in ancient times. This trilogy, amid the Amazonian forest of Para, offers an endless string of surprises. Para has three hilly regions, and each has peculiar characteristics, affording new sceneries and new thrills at each footstep. City of the Gods A gigantic formation of calcareous rocks, eroded by water and wind, arises in the middle of the dense forest. It is the city gods, in the municipality of Alenquer, North of the Amazon River, where ancient peoples left inscriptions and rupestrian paintings, and where figures sculpted by natures generated legends and myths over the course of time. Erere Hills The indigenous word meaning once more, good-bye is the name of a ridge full of cliffs and caves covered with fascinating rupestrian inscriptions and paintings, portraying mystical figures,