Astrotourism in Mendoza: 10 Experiences to See the Stars Like Never Before

Located in Maipú, this boutique hotel occupies a beautifully restored 1890 heritage mansion surrounded by 14 hectares of vineyards and centuries-old olive groves. The property combines elegant accommodations with the opportunity to enjoy an astronomical experience in the heart of wine country.

Here, El Firmamento, a group founded by astronomer Walter García, offers two astrotourism experiences. One includes a three-course dinner at the hotel's restaurant, while the other features a tasting of cheeses, cured meats, nuts, and artisan bread served beside the telescope as the guide points out different celestial objects. Experiences are available on scheduled group dates or as private events by reservation through Instagram.

Good to know: Club Tapiz also houses a museum featuring more than 150 tapestries acquired in Central and Western Asia, adding another cultural dimension to the visit.

Where: Ruta 60 Km 2.5, Pedro Molina s/n, Russell, Maipú, Mendoza.

Perched on the eighth floor of Mendoza City Hall, the Terraza Jardín Mirador offers a unique urban stargazing experience. It's an excellent option for travelers who prefer to stay within the city while adding an evening activity to their itinerary. Although urban light pollution limits visibility of some celestial objects, the terrace offers the rare chance to admire both the night sky and Mendoza’s skyline from above.

Throughout the year, the City of Mendoza hosts astronomy-themed events here, often timed to coincide with notable celestial phenomena. Activities typically begin with a guided tour of the terrace, followed by astronomical observation sessions and talks about constellations, stars, and planets. Upcoming dates are announced through the city's official social media channels.

Good to know: These events are usually free and are perfect for families looking to enjoy both the stars and one of the city's best panoramic views.

Where: 9 de Julio 500, Mendoza City.

About 70 kilometers from Mendoza City lies Potrerillos, one of the province’s most beloved destinations thanks to its spectacular mountain scenery. After sunset, the landscape offers another attraction: a sky filled with brilliant stars visible to the naked eye.

El Firmamento hosts astrotourism experiences at Gran Hotel Potrerillos, overlooking the area's iconic reservoir. Guests enjoy a selection of cheeses and charcuterie paired with a glass of wine before exploring the night sky through guided observations. Experiences are available as scheduled group outings or private reservations via Instagram.

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Good to know: Gran Hotel Potrerillos features 35 guest rooms and two restaurants open to both visitors and overnight guests, making it easy to turn a stargazing experience into a memorable getaway.

Where: Gran Hotel Potrerillos, Potrerillos, Mendoza.

Just 45 minutes from downtown Mendoza, Cacheuta offers something increasingly rare: dark skies close to a major city. Under ideal conditions, visitors can see up to 6,000 stars with the naked eye—the maximum visible to the human eye.

El Firmamento conducts its observations at Puesto El Sol, an open area along National Route 7 near the Villavicencio Nature Reserve. The experience combines naked-eye observation with telescopes that reveal planets and other celestial bodies. Group outings are announced through social media, while private sessions can be booked via Instagram.

Good to know: Since the stars are so spectacular here, visitors are encouraged to bring blankets, folding chairs, and a traditional mate set to fully enjoy the evening.

Where: Puesto El Sol, Ruta Nacional 7 km 1078, Cacheuta, Luján de Cuyo, Mendoza.

Just over an hour from Mendoza City, Tupungato is a destination where the sky quickly becomes the main attraction after sunset. In the Gualtallary district, high elevation, clean air, and minimal light pollution create ideal conditions for stargazing, while vineyards and dramatic Andean scenery complete the setting.

El Firmamento hosts its events at Espacio Spica, a rural restaurant with panoramic views. The experience combines astronomical observation with homemade empanadas and cured ham sandwiches. Visitors can join scheduled group events or book private experiences through Instagram.

Good to know: This region is home to many of Mendoza’s most prestigious wineries, making a night under the stars the perfect ending to a day of wine tastings.

Where: Espacio Spica, Tupungato, Mendoza.

About 113 kilometers from Mendoza City, Lavalle boasts exceptionally dark skies where visitors can easily spot celestial features often hidden in urban areas, including the Milky Way and the Magellanic Clouds.

Here, El Firmamento offers a combined dining and stargazing experience at Puesto Los Pajaritos, located in the rural area of El Cavadito. Guests begin with a traditional countryside dinner featuring dishes such as slow-cooked beef or the restaurant’s specialty, roast young goat. Once the lights go out, the desert sky reveals its full brilliance. Experiences are available as both group outings and private reservations.

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Good to know: Nearby, the Altos Limpios de Lavalle feature striking sand formations and native vegetation that create an almost desert-like landscape.

Where: Puesto Familiar Los Pajaritos, Lavalle, Mendoza.

Located 34 kilometers from Las Leñas ski resort, Los Molles is surrounded by the Andes and far removed from city lights. With virtually no light pollution, it offers extraordinary naked-eye views of thousands of stars.

At Hotel Termas Lahuen-Co, visitors can combine astrotourism with relaxation and wellness. The package includes one night's accommodation, half board with dinner and breakfast, and access to natural sulfur-rich hot springs. Experiences are available on scheduled dates or by private reservation.

Good to know: Los Molles is famous for its thermal waters, making a soak in Lahuen-Co’s natural hot springs the perfect complement to an evening of stargazing.

Where: Valle de Los Molles, Los Molles, Malargüe, Mendoza.

In southern Mendoza, the Malargüe Planetarium Complex is an ideal destination for visitors who want to better understand what they're seeing in the night sky. The experience blends scientific education with astronomical observation, offering engaging, accessible activities for all ages.

The complex includes an astronomy museum, sundials, and the planetarium’s main theater beneath its distinctive blue pyramid. Immersive audiovisual shows inside the digital dome explain the universe through stunning projections. After sunset, visitors can also join guided observation sessions led by local astronomers.

Good to know: This was Latin America's first fully digital planetarium, making it a landmark for astronomy education in the region.

Where: Gral. Villegas Oeste, Malargüe, Mendoza.

About 9 kilometers west of Malargüe, Payunia Turismo offers a nighttime excursion into the Andes designed for anyone interested in discovering the sky—no previous astronomy knowledge required.

Participants learn to identify constellations, planets, satellites, and even shooting stars through naked-eye observation, laser-guided explanations, binoculars, and telescopes. One of the experience's highlights is the large number of binoculars available, allowing several people to observe the same celestial object simultaneously. Depending on conditions, visitors may also see nebulae, star clusters, lunar craters, and planetary moons.

Good to know: Guides also teach long-exposure night photography techniques for cameras and smartphones, and tripods are available for visitors to capture stunning images of the stars.

Where: Payunia Turismo, Av. San Martín 13 sur, Malargüe, Mendoza.

The Pehuenche Astronomical Observatory offers more than traditional stargazing. Here, visitors also explore ancient stories, worldviews, and cultural interpretations of the universe. Located six kilometers from downtown Malargüe in a peaceful rural setting, the observatory benefits from dry weather, minimal light pollution, and exceptionally clear skies.

Experiences combine telescope observation with storytelling about astronomy and the many ways different civilizations have understood the cosmos. Guests also enjoy coffee, hot chocolate, wine, or seasonal snacks, creating a relaxed atmosphere where conversation becomes part of the experience.

Good to know: The observatory began as a family home, where Andrés Risi—an astronomy educator and researcher of cultural interpretations of the cosmos—transformed his property into a welcoming space dedicated to helping visitors reconnect with the night sky.

Where: Observatorio Astronómico Pehuenche, Las Golondrinas and Los Zorzales, Malargüe, Mendoza.