Known to geologists as “ergs,” they eventually became petrified (turned to stone) by water and minerals, solidifying into a uniform layer of sandstone over 2,000’ thick in some areas.
As you exit your vehicle in the newly-expanded Horseshoe Bend parking area just South of Page, Arizona, your will make your way around a newly paved walkway that avoids the original mildly steep incline that included sometimes unwieldy sand.Ībout 200 million years ago, a massive sea of sand dunes covered the landscape from Arizona to Wyoming.
