Waw an Namus is the crater of an extinct volcano, located in one of the most remote locations in Libya, deep in the of desert Sahara. The volcanic field is approximately 4 km wide, and it is surrounded by black ash deposits in the 10-20 km wide, which stands out against the background of yellow desert. At the bottom of the caldera is a 120-meter Ash cone – in fact, the source of the ash – as well as three small colored salt lake. In the Arabic language, it’s called The Mosquito oasis and combines its name to the caldera, the volcanic field and directly, conical volcano itself. So for a visit to a vital means of mosquito. Due to the presence of fresh water in this remote volcano, Wau en Namus has always been an important point for caravans en route from Vav al-Kabir to the oases of Al Kufraha Rebiany and south-eastern Libya.