The Cave of Bani Aad Ain Faza is a natural cave located in the charming city of Tlemcen. It is a divine masterpiece with its international specifications, its riches and its archaeological treasures. The cave is one of the natural heritage that combines fascination and amazement. It has a constant temperature throughout the year (up to 13 degrees). The first of its discoverers is the Berber tribes, and according to experts, it has an area of 150 km, and extends to the soil of the Kingdom of Morocco, passing by the Boumaza Ghar Boumaza Sebdu south of Tlemcen, until the cave of the Houriat in Sidi Yahya near the city of Oujda in Morocco. In this wonderful place, the visitor can be refreshed with the serenity of the place, and enjoy the cooing of the pigeons that take the cave as a safe dwelling, amidst wondrous stalagmites, which increase the place's splendor and prestige.