The most southern of Tunisian oases Ksar Ghilane is one of the doors of the desert of the Tunisian Sahara, the oasis is fed by a source of hot water, source from a failed oil drilling in 1953, instead of finding oil the drillers found a captive water table 700 m deep. The water flows to the surface at 32 °, it is very sulfur, you can swim there, it would have thermal virtues. You can also do a camel ride or quad.

Tisavar is a rectangular construction, the walls, built in stone to a height of 1.50 m, in smaller rubble above. It served as an advanced post and base camp for their Saharan expeditions. it also allowed to control the caravans that carried their wealth to the coast. The old building is then occupied in the Middle Ages, before being restored by the French during the Second World War, the fort served in the column Leclerc during the maneuver bypassing the line Mareth.