Lakes Around the Solimões River in Brazil – October 29th, 20093.5S 63.2W
The black waters of several lakes stand out against the green rainforest canopy around the muddy brown waters of the Solimões River (Upper Amazon River), west of Manaus in the Brazilian state of Amazonas. The largest of these lakes are, clockwise from the upper right, Lake Badajós, Lake Piorini, Lake Coari and Lake Mamia. All are connected to the Amazon River.
Lake Badajós has a surface area of 246 km2 (95 mi2). It is 68 km (42 mi) long and 10km (6 mi) across at its widest part. The lake’s shoreline length is 193 km (120 mi).
Lake Piorini has a surface area of 324 km2 (125 mi2), a maximum length of 68 km (42 mi), a maximum width of 11km (7 mi), and a shoreline length of 190 km (118 mi).
The surface area of Lake Coari is 624 km2 (241 mi2). The lake has a maximum length of 77 km (48 mi) and is 10km (6 mi) across at its widest. Its shoreline is 280 km (175 mi) long, and it is directly connected to the Amazon River.
Finally, Lake Mamia has a surface area of 200 km2 (78 mi2), a maximum length of 61 km (38 mi), a maximum width of 13km (8 mi), and a shoreline length of 145 km (90 mi). It also has a direct connection to the Amazon.