Aloba Arch, Natural stone arch in Ennedi Region, Chad.
The natural stone formation reaches 120 meters in height and extends across a span of 77 meters in the northeastern section of Chad.
Geologists confirmed the exact measurements of this natural formation in 2004 using laser technology and additional field studies in 2016.
The arch stands as a geological monument in the Sahara Desert, drawing researchers and photographers who document its exceptional dimensions.
Visitors need to arrange transportation from the nearest town of Fada, located 60 miles northwest through desert terrain to reach this formation.
The arch developed through two distinct phases, with the lower section formed by stream erosion and the upper part shaped by wind forces.
Location: Ennedi Region
GPS coordinates: 16.74176,22.23944
Latest update: April 19, 2025 12:57
Natural geological formations featuring openings, arches, and caves across the globe. The collection includes limestone arches like Durdle Door in England, sandstone gates like Pravčicka brána in the Czech Republic, and coastal formations like the Faraglioni Rocks in Italy. These structures formed through erosion by water, wind, and other natural processes. Some formations serve as local landmarks, such as Window Rock in Arizona and the Eyes of God in Bulgaria. The sites range from accessible coastal locations to remote desert areas like the Aloba Arch in Chad.
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