ALG-308. This natural arch is located on Menkhor area (25km southeast of Alidemma area) on the vast Tassili National Park, wilaya of Illizi, Algeria. The arch sits gracefully at the bottom of the bowl encircled by big colorful sand dunes. The relationship of the magnificient span and the great surrounding landscape around makes visiting this spot an unforgattable moment. The opening has an estimated height of 25.0 meters. author rating ♥♥♥♥