Editing Marañón River (section)

=== The Grand Canyon of the Amazon ===
[[File:Precipicio Rio Marañon alargado.jpg|thumb|upright|Marañón River as seen from Quchapata in Peru]]
The upper Marañón River has seen a number of descents. An attempt to paddle the river was made by Herbert Rittlinger in 1936.<ref>{{Cite book|last=Rittlinger|first=Herbert|title=Ganz Allein zum Amazonas|publisher=Büchergilde Gutenberg, Frankfurt am Main|year=1977|isbn=3-7653-0196-5|location=Germany}}</ref> [[Sebastian Snow]] was an adventurer who journeyed down most of the river by trekking to [[Chiriaco River]] starting at the source near [[Lake Niñacocha]].<ref>{{cite book|title=My Amazon Adventure|asin= B003Z01196|author=Sebastian Snow|date= January 1955|publisher= Readers Book Club|url=https://www.amazon.com/My-Amazon-Adventure-Sebastian-Snow/dp/B003Z01196|access-date=22 February 2013}}</ref>{{page needed|date=May 2016}}

In 1976 and/or 1977, Laszlo Berty descended the section from Chagual to the jungle in a raft.<ref>{{cite web | url=http://www.sierrarios.org/Peru/LaszloBerty.html | title=Laszlo Berty: rafting pioneer in Peru | publisher=SierraRios | date=n.d. | access-date=22 February 2013}}</ref> In 1977, a group composed of Tom Fisher, Steve Gaskill, Ellen Toll, and John Wasson spent over a month descending the river from Rondos to Nazareth with kayaks and a raft.<ref>{{cite web | url=http://www.sierrarios.org/Peru/Wasson.html | title=First Descent of Río Marañon: Fisher, Gaskill, Toll, and Wasson Expedition | publisher=SierraRios | access-date=22 February 2013}}</ref>  In 2004, Tim Biggs and companions kayaked the entire river from the Nupe River to [[Iquitos]].<ref>{{cite book | url=https://www.amazon.com/Three-Rivers-Amazon-ebook/dp/B00507FRT2/ref=sr_1_3?s=books&ie=UTF8&qid=1332743366&sr=1-3 | title=Three Rivers of the Amazon | publisher=Amazon | asin= B00507FRT2|access-date=10 February 2013 | author=Tim Biggs| date=9 May 2011 }}</ref>  In 2012, Rocky Contos descended the entire river with various companions along the way.<ref>{{cite web | url=http://www.sierrarios.org/Peru/AmazonFirstDescent.html | title=First Descent of the Amazon Expedition | publisher=Sierra Rios | access-date=22 February 2013}}</ref>