Eggshell Arch – Tonalea, Arizona - Atlas Obscura

Eggshell Arch

Tonalea, Arizona

At certain times in the fall and winter, the sunlight makes this natural sandstone arch glow. 


Just an hour southeast of Page, Arizona, a hidden gem stands over a canyon in the Navajo Nation. Eggshell Arch is a natural sandstone arch formed over thousands of years by erosion. The arch is not well known (yet) so it is likely you won’t see other visitors in the area.

The arch glows during sunset from October to January, a phenomenon known as the “Thanksgiving Glow.” This glow effect is created by the sun rays reflecting off of the canyon wall and onto the arch during sunset. The arch is located in Ts’ah Bii Kin (“House in the field of Sagebrush” in Dine) in northwestern Arizona. The area is unspoiled with very rugged terrain.

Know Before You Go

This natural sandstone arch is only accessible by a certified guided tour. Please be respectful when visiting the Navajo Nation by following Leave No Trace principles.

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July 9, 2024

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