Tapajós, a Brazilian river running through a humid and hot valley, pours
into the Amazon River 500 miles above
Pará and is about
1200 miles long.
on the lofty Brazilian plateau near Diamantino in 14 degrees 25' south latitude.
Map of the Amazon Basin with the
Tapajós River highlighted
place a number of streams unite to form the river Arinos
, which at latitude 10 degrees 25' joins
to form the Alto Tapajós
, so called as far down as the
, which enters it from the
Santarém the stream is known as the Tapajós.
lower Arinos, the Alto Tapajós and the Tapajós to the last rapid,
the Maranhão Grande
, are a
continuous series of formidable cataracts and rapids; but from the
Maranhão Grande to its mouth, about 188 miles, the river can be
navigated by large vessels.
For its last 100 miles it is from 4 to 9 miles wide and much of it
very deep. The valley of the Tapajós is bordered on both sides by
bluffs. They are from 300 to 400 feet high along the lower river;
but a few miles above Santarém, they retire from the eastern side
and do not approach the Amazon flood-plain until some miles below
South American pole of
is located close to the source
of Tapajós's tributaries,
near town Utiariti
Tapajós is named after the Tapajós
Indians, a tribe of Native Americans from Santarém.
- Heinsdijk, Dammis, and Ricardo Lemos Fróes. Description of
Forest-Types on "Terra Firme" between the Rio Tapajós and the Rio
Xingú in the Amazon Valley. 1956.