We loved this park absolutely spectacular we spent the day and suggest you do not combine it with Talampaya on the same day but spend a day in each park.
Ischigualasto Provincial Park, also called Valle de la Luna ("Valley...
Ischigualasto Provincial Park, also called Valle de la Luna ("Valley of the Moon" or "Moon Valley"), due to its otherworldly 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 (sometimes Ischigualasto-Talampaya Formation) Established on 3 November 1971, the park has an area of 60,370 ha (603.7 km2; 233.1 sq mi)
In 2000 UNESCO included Ischigualasto and Talampaya National Park among its World Heritage Sites.