• View of Grand Canyon National Park at sunset from the South Rim

    Grand Canyon

    National Park Arizona

Overflights - Noise Model Validation Study

January 2003

Letter from the Superintendent (64kb PDF File)
Executive Summary - Aircraft Noise Model Validation Study (835kb PDF File)
Part One - Aircraft Noise Model Validation Study - (872kb PDF File)
Part Two - Aircraft Noise Model Validation Study - (3.9MB PDF File)
Part Three - Aircraft Noise Model Validation Study - (7.0MB PDF File)

Did You Know?

THE VIEW FROM TOROWEAP OVERLOOK

The view from Toroweap Overlook (North Rim), 3,000 vertical feet above the Colorado River, is breathtaking; the sheer drop, dramatic! Renowned Lava Falls Rapid, just downriver, can be seen and heard easily from the overlook. This remote area is located on the northwest rim of the Grand Canyon. More...