World Library  
Flag as Inappropriate
Email this Article

Roosevelt River


Roosevelt River

Roosevelt River
Country Brazil
State Rondônia
Mouth Aripuanã River
 - coordinates
Length 760 km (472 mi) [1]
Madeira Basin with Roosevelt River center-right

The Roosevelt River (Rio Roosevelt, sometimes Rio Teodoro) is a Brazilian river. It begins in the state of Rondônia and winds for about 400 miles (640 km) until it joins the Aripuanã River, which then flows into the Madeira River, thence into the Amazon.


  • History and exploration 1
  • Notes 2
  • References 3
  • External links 4

History and exploration

Formerly called Rio da Dúvida (“River of Doubt”), the river is named after Theodore Roosevelt, who traveled into the central region of Brazil during the Roosevelt-Rondon Scientific Expedition of 1913–14. The expedition, led by Roosevelt and Cândido Rondon, Brazil's most famous explorer and the river's discoverer, sought to determine where and by which course the river flowed into the Amazon.

Roosevelt and his son Kermit undertook the adventure after the former U.S. president's failed attempt to regain the office as the "Bull Moose" candidate in 1912. The Roosevelt-Rondon expedition was the first non Amazonian-native party to travel and record what Rondon had named the "Rio da Dúvida", then one of the most unexplored and intimidating tributaries of the Amazon. Sections of the river have impassable rapids and waterfalls, which hindered the expedition.

Roosevelt later wrote Through the Brazilian Wilderness recounting the adventure. After Roosevelt returned doubts were raised on his account of the expedition. Roosevelt promptly rebutted them in a public forum in Washington, D.C., sponsored by the

  • Through the Brazilian Wilderness
  • Teddy Roosevelt and the River of Doubt

External links


  1. ^
  2. ^ "River of Doubt", Time Magazine, June 6, 1927.



This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.