Ischigualasto Provincial Park Information Office

Ischigualasto Provincial Park, also called Valle de la Luna, due to its moon like appearance, is a provincial protected area in the north-east of San Juan Province, north-western Argentina, limiting to the north with the Talampaya National Park, in La Rioja Province. Both areas belong to the same geological formation, the Ischigualasto Formation.

Established on 3 November 1971, the park has an area of 60,370 ha.

In 2000, UNESCO included Ischigualasto and Talampaya National Park among its World Heritage Sites.