Help me with some geography ?

Question

Were the tapajo's river meets the amazon 400 miles away what town will you be at ?

if you set sail in the mouth of the waal river, then what city will you pass trying to get to the rihn river?

and i might have more questions in like just a minute .

please and thankyou ?

Answer 1

The Tapajós joins the Amazon at Santarém.  400 miles downstream is Macapá.

Nijmegen, considered to be the oldest city in the Netherlands.