Tamerza (or Tameghza, تمغزة) is the lairgest muntain oasis in Tunisia, kent as Ad Turres bi the Romans. It haes a pleasant canyon an haes an abandoned auld toun. The toun wis abandoned efter the river floodit for 22 days in 1969. It is locatit north o the salt lakes an receives fresh water frae the nearbi hills. It is in the hill kintra near the border wi Algerie, an is 6 km frae Mides.