Valle Fértil is a department of the province of

San Juan San Juan, Spanish for Saint John, may refer to: Places Argentina * San Juan Province, Argentina * San Juan, Argentina, the capital of that province * San Juan, Salta, a village in Iruya, Salta Province * San Juan (Buenos Aires Underground), ...

( Argentina). Characterized by highly fertile landscapes and contains the

Ischigualasto Provincial Park Ischigualasto Provincial Park ( es, Parque Provincial Ischigualasto), also called ''Valle de la Luna'' ("Valley of the Moon" or "Moon Valley"), due to its moon like appearance, is a provincial protected area in the north-east of San Juan Provinc ...

, also known as the ''Valley of the Moon'', which is visited by tourists from around the world.

Origin of the name

The Spaniards, upon their arrival, found the indigenous people referred to the area as "Chaj Nai--Paj", which means "green or fertile country of many rivers".

Tourism

The main attraction is

Ischigualasto Ischigualasto Provincial Park ( es, Parque Provincial Ischigualasto), also called ''Valle de la Luna'' ("Valley of the Moon" or "Moon Valley"), due to its moon like appearance, is a provincial protected area in the north-east of San Juan Provinc ...

, a strange landscape, in what may have been one of the most interesting stages of the earth's history, the Triassic period, the place known as the Valley of the Moon, for the apparent resemblance to a lunar landscape. It is a protected area for the preservation and study of strange geological formations, wildlife, flora and fossils. Departments of San Juan Province, Argentina {{SanJuanAR-geo-stub