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Grand Canyon National ParkView north from the Tonto Trail West
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Grand Canyon National Park
Helpful Links for Noncommercial River Trips
Below are links to various noncommercial river trip support documents and/or web pages that may help you when planning your trip.
 
 
 
WATER FLOW INFORMATION FROM USGS
 
LOTTERY AND RIVER USE STATISTICS
 
Calendar Year 2010

Calendar Year 2009

Calendar Year 2008
  • River Statistics (includes river use statistics for calendar year 2008 plus statistics for all lotteries held for calendar year 2008 launch dates) - PDF file, 340kb
 
Calendar Year 2007
  • River Statistics (includes river use statistics for calendar year 2007 plus statistics for all lotteries held for calendar year 2007 launch dates) - PDF file, 300kb
GRAND CANYON TRILOBITE  

Did You Know?
The Cambrian seas of the Grand Canyon were home to several kinds of trilobite, whose closest living relative is the modern horsehoe crab. They left their fossil record in the mud of the Bright Angel Shale over 500 million years ago.

Last Updated: November 19, 2009 at 16:27 EST