The Madeira River is a major waterway in South America. South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ...

It joins the Amazon River 1400 km (870 miles) by river above Pará, and almost rivals it in the volume of its waters. It rises more than 15 m (50 feet) during the rainy season, and vessels may ascend it to the Fall of San Antonio, 1070 km (663 miles) above its mouth; but in the dry months, from June to November, it is only navigable for the same distance for craft drawing about 2 m (from 5 to 6 feet) of water. Length 6,296 km Elevation of the source 5,597 m Average discharge 219,000 m³/s Area watershed 6,915,000 km² Origin  Nevado Mismi Mouth  Atlantic Ocean Basin countries Brazil (62. ... Pará is one of the states of Brazil, located in the northern part of the country. ... The wet season is a term commonly used when describing the weather in the tropics. ...

According to the treaty of San Ildefonso (1800), the Madeira begins at the confluence of the Guapore with the Mamore. Both of these streams have their headwaters almost in contact with those of the river Paraguay. The junction of the great river Beni with the Madeira is at the Madeira Fall, a vast and grand display of reefs, whirlpools and boiling torrents. Between Guajara-Mirim and this fall, inclusive, the Madeira receives the drainage of the northeastern slopes of the Andes, from Santa Cruz de la Sierra to Cuzco, the whole of the south-western slope of Brazilian Mato Grosso and the northern one of the Chiquitos sierras, an area about equal to that of France and Spain. The waters find their way to the falls of the Madeira by many great rivers, the principal of which, if we enumerate them from east to west, are the Guapore or Itenez, the Baures and Blanco, the Itonama or San Miguel, the Mamore, Beni, and Mayutata or Madre de Dios, all of which are reinforced by numerous secondary but powerful affluents. The Treaty of San Ildefonso (formally titled the Preliminary and Secret Treaty between the French Republic and His Catholic Majesty the King of Spain, Concerning the Aggrandizement of His Royal Highness the Infant Duke of Parma in Italy and the Retrocession of Louisiana) was a secretly negotiated treaty between France... The Mamoré is a large river in Bolivia, which unites with the Beni to form the Madeira, one of the largest tributaries of the Amazon. ... Bolivia in the lowlands region of the country. ... This article needs to be cleaned up to conform to a higher standard of quality. ... Santa Cruz de la Sierra, commonly known as simply Santa Cruz with a population of roughly 1. ... The Church of La Compañía on the Plaza de Armas in Cuzco Cuzco is a city in southeastern Peru in the Huatanay Valley (Sacred Valley), of the Andes mountain range. ... Mato Grosso is one of the states of Brazil, located in the western part of the country. ... Chuiquitos is a region of rain savannas in the eastern Bolivia. ... Blanco Webb was a character in the BBC sitcom Porridge played by David Jason. ... The Mamoré is a large river in Bolivia, which unites with the Beni to form the Madeira, one of the largest tributaries of the Amazon. ... Bolivia in the lowlands region of the country. ... The name Madre de Dios is a very common Spanish-language designation for the Virgin Mary, literally meaning mother of God. It can refer to: The Madre de Dios region of Peru The Madre de Dios River, also in Peru This is a disambiguation page — a navigational aid which lists...

All of the upper branches of the river Madeira find their way to the falls across the open, almost level Mojos and Beni plains, 90,000 km² (35,000 square miles) of which are yearly flooded to an average depth of about 3 feet for a period of from three to four months. The Mojos The Mojos were a merseybeat band from the 1960s, best known today for their hit British single Everythings Alright. In spite of having one of the best reputations among the Liverpool merseybeat scene, Everythings Alright remained their only major hit, with only a few other singles... Bolivia in the lowlands region of the country. ... To help compare orders of magnitude of different geographical regions, we list here areas between 10,000 km² and 100,000 km². See also areas of other orders of magnitude. ... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ...

A subspecies of Boto (Amazon River Dolphin) is known to inhabit the Madeira river system. Binomial name Inia geoffrensis Boto range The Boto, or Amazon River Dolphin (Inia geoffrensis) is a freshwater or river dolphin. ...