Geography
The state of Acre occupies an area of 152,581 km2 (58,911 mi2) in the extreme west of Brazil. It is located at 70º00'00" west longitude from the Prime Meridian and at 09º00'00" latitude south of the equator. In Brazil, the state is part of the North Region, forming borders with the states of Amazonas and Rondônia, and with two countries: Peru and Bolivia.
Practically all of the terrain of the state of Acre is part of the low sandstone plateau, or terra firme, morphological unit which dominates most of the Brazilian Amazon. These terranes rise, in Acre, from the southeast to the northeast, with very tabular topography in general. In the extreme west is found the Serra da Contamana or Serra do Divisor, along the western border, with the highest altitudes in the state (609 m) (1,998 ft). About 63% of state's surface is lies between 200 and 300 m (656 and 984 ft) in height; 16% between 300 and 609 (984 and 1,998 ft); and 21% between 200 and 135 (656 and 443 ft).
The climate is hot and very humid, of the Am type in the Köppen climate classification system, and the monthly average temperatures vary between 24 °C and 27 °C (75–80 °F), being the lowest average of the North Region. The rainfall reaches an annual total of 2,100 mm (83 inches), with a clear dry season in the months of June, July, and August. The Amazon Rainforest covers all of the state territory. Very rich in rubber trees of the most valuable species (Hevea brasiliensis) and Brazil nut trees (Bertholletia excelsa), the forest guarantees that Acre is the greatest national producer of rubber and nuts. Acre's principal rivers, mostly navigable during the wet season (the Juruá, Tarauacá, Envira, Purus, Iaco, and Acre), cross the state with almost parallel courses which will only converge outside of its territory.
Read more about this topic: Acre (state)
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