Circuito astronómico Pampa el Leoncito

Provincia de San Juan

You will find yourself in the middle of the Mountains, you will feel the wind into your face, you will cross streams and you will go through the prairies where Huarpes and Incas aboriginal tribes passed by.

You will enjoy snowed mountains, beautiful landscapes and above all ¨The Andes Mountain Range¨


• San Alberto, a mountainous area bathed by the stream of the same name. Its farms planted with alfalfa, potatoes, carrots and garlic stand out.


• Inca Ruins of Tambillo, which materialize a point of the Inca Trail.


• Estancia Yalguaraz: Place where the Army of the Andes set up one of the main camps during El Cruce de Los Andes (1817), to liberate Chile from Royalist rule.


• Pampa El Leoncito: It´s situated in the National Park ¨El Leoncito¨, it´s a place characterized by a clean, bright blue sky. There are High Mountains of more than 6.000 meters High, and where the wind blows permanently. This improves sport activities like ¨Carrovelismo¨ or ¨wind car” racing¨.


• The scenic view of the National Park ¨El Leoncito¨, allow you to watch the sunset, it is wonderful to see the sun hide behind three mountains over 6,000 meters high.


• Astronomical Observatory ¨Carlos Ulrico Cesco (CESCO)”, the observatory belongs to the National University of San Juan (UNSJ). Guided day and night tours are available. The guides are professionals of outstanding trajectory.

circuit details

• SEASON: Year-round.

• Duration of the visits: 10 hours. It depends on the time of the year.

Itinerary: (*)

Departure from Uspallata.
Camino del Inca (Ruinas de Tambillos).
Pampa El Leoncito.
Daytime visit to the Astronomical Observatory "Dr Cesco" Astronomical Observatory.
Observation of the sunset from a viewpoint.
Night visit to the “Dr Cesco” Astronomical Observatory.
Arrival at Uspallata.


(*) Ask about the options of starting the trip in Mendoza and Potrerillos.