Category Archives: Uncategorized


River news / May 29, 2021 GCPBA sent a May 25, 2021 letter to the Corps of Engineers, Los Angeles District petitioning the suspension and subsequent revocation of the permit granting the Navajo Nation permission to construct boat docks 1 … Continue reading

Posted in Uncategorized | Leave a comment

Colorado River Historic High Water Level Within The Grand Canyon

This report was commissioned by GCPBA for the benefit of the private boater.  John Vrymoed, author of the report, is a registered civil and geotechnical engineer in California, now retired.  He is a published author on topics related to earthquake … Continue reading

Posted in Feature Stories / Current Events, GCPBA News, Uncategorized | Leave a comment

Groovers on the Grand

So am I correct that one can use a rocket box by itself as a groover on the Grand? No insert is required?

Posted in Uncategorized | 3 Comments

Grand Canyon River Mile Directory – Camps, Rapids and Features

Grand Canyon Colorado River Rapids, Camps and Features By Mile DirectoryA

Posted in River Data, Uncategorized | Leave a comment