Wa’eeb Ul Hena Located in wadi Dahir, Fujeirah, also called Al Henna-Sulphur hike got its name due to the flora and geology of the area. Crystal clear and milky blue pools and salt clusters are the highlights of the trail. The abundance of water in the Dahir area makes the land fertile. Henna trees, palms, citrus, and mangoes are cultivated in this area.