A cold front moving into the region will cool down our temperatures
A few light showers are possible from late Wednesday through Friday with only light rain and snow accumulations. Expect drier weather conditions and a warming trend this weekend. (Source NOAA) More »
Fly-through Grand Canyon Animation
Over the course of 6 million years, the Grand Canyon has been carved by the Colorado River. One mile (1.6km) deep, 277 miles (433km) long, and up to 18 miles (28.8km)wide, this canyon is like none other. This animated flight is the product of a partnership between NASA, the NPS, and the USGS.
The Grand Canyon truly is a special place. Life abounds within the canyon, in the Colorado River, and even along the rims.
Even humans have inhabited this area for at least the past couple thousand years. Learn more...
Grand Canyon is the result of a distinct and ordered combination of geologic events. Through this virtual experience you will be able to travel into this great chasm and unfold the chapters in Grand Canyon's geologic history. Learn more...
This animation work was sponsored by NASA’S Mars Exploration Program
Did You Know?
The more recent Kaibab limestone caprock, on the rims of the Grand Canyon, formed 270 million years ago. In contrast, the oldest rocks within the Inner Gorge at the bottom of Grand Canyon date to 1.84 billion years ago. Geologists currently estimate the age of Earth at 4.5 billion years.