Hen Rock is located on Akchaheré site about 2 hours of hike north from Emelell Buttes . This area is a little stone forest of low rocks similar to the central area of Tin-Tazarift. "Akchaheré" means "lost the goats" in Tamahaq dialect. There is any doubt you can lost your goats in this area of rocks. The arch has a measured span of 2.3 meters. The scene look like as a hen pecking hence the name. It is located at GPS coordinate 25° 09.801' 9° 23.116'