Ischigualasto Provincial Park
Known as Valle de la Luna for its otherworldly terrain, this vast protected area preserves a remarkable geological formation spanning northwestern Argentina and La Rioja Province.
At a glance
Ischigualasto Provincial Park encompasses 60,370 hectares of striking desert landscape in San Juan Province’s north-eastern reaches. The park’s nickname—Valley of the Moon—reflects its distinctive moon-like appearance, shaped by ancient geological processes. It adjoins Talampaya National Park to the north, the two reserves sharing the same foundational geological formation.
History
The provincial park was established on 3 November 1971. In 2000, UNESCO designated both Ischigualasto and its neighboring Talampaya National Park as World Heritage Sites, recognizing their exceptional geological and paleontological significance.
What you see
The landscape is characterized by the Ischigualasto Formation, a geological sequence of strata visible across the park’s expansive terrain. Eroded rock formations, layered deposits, and the barren desert palette create the distinctive lunar appearance that defines the visitor experience.
Cultural significance
The park’s World Heritage status acknowledges its importance as a geological and paleontological laboratory. The Ischigualasto Formation preserves a critical record of Earth’s deep history, making the site essential for scientific understanding of ancient ecosystems and environmental change.
Key facts
- Location: San Juan Province, northwestern Argentina
- Area: 60,370 hectares (603.7 km²)
- Established: 3 November 1971
- UNESCO World Heritage Site: 2000
- Coordinates: −30.07°, −68.00°
Practical information & getting there
The park lies in San Juan Province’s remote north-eastern reaches. You can access it from nearby towns in the region, though the remote location requires planning ahead. Contact local tourism offices for current visiting information, hours, and any entry requirements.
Sources & resources
Find it on the map
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