Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in the Grand Canyon.

Grand Canyon advocates are celebrating a decision ... backwaters and campsites for river trips. Opening the dam’s floodgates before the fresh sediment gradually washed downstream could push ...

Grand Canyon National Park announced April 9 that it’s extending closures of multiple inner canyon areas for planned maintenance. The facilities, which were expected to open this spring and are ...

With repeated decisions not to open the floodgates even when the sand is available, some are questioning whether the Glen Canyon Dam Adaptive Management Program is preserving Grand Canyon’s ...