A pioneer of international astronomy
The Cerro Tololo Observatory impresses with its gigantic white domes silhouetted against the blue sky of the Elqui Valley. It is located at 2,200 meters above sea level, a privileged setting due to its transparent atmosphere and panoramic views of the mountain range. This pioneering complex marked the beginning of international astronomy in Chile.
The guided tour allows you to enter the facilities and appreciate the actual size of the telescopes that explore the universe, combining learning about the cosmos with an overwhelming mountain environment. Discover this icon of world astronomy, an unmissable opportunity to understand the mysteries of space from the heights.
Plan your trip to Tololo Observatory
How to get there
How to get there by air
The closest air terminal is La Florida Aerodrome (LSC), in La Serena. From there, the journey by vehicle takes about 1 hour and 45 minutes (approx. 87 km), heading along Route 41 towards the Elqui Valley.
How to get there by land
From La Serena, drive east on Route 41 (road to Vicuña) for approximately 87 km. The signposted detour that ascends to the observatory is a gravel road. It is essential to schedule your visit weeks in advance, as places are limited and are only available on Saturdays.
Must-Know Tips
Visits to the observatory must be booked in advance on their website, as places are limited. The mountain climate presents a large thermal oscillation, so bring sunscreen for the day and warm clothes for the afternoon. Respect all instructions, as this is a workplace.
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