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Hervé Landetcheverry
863 messages · active 1 day ago -
Juan Ignacio Pissareff
3687 messages · active 11 hours ago
MATER Sustainable Travel
We are a dynamic team of experienced tourism professionals, with local knowledge and a strong focus on sustainability. We integrate, in a harmonious and balanced way, the cultural heritage, the economy and the Argentine and Latin American nature.
In 2013, we created Mater Sustentable, a wholesale travel company, out of a multidisciplinary group of experts’ passion to achieve sustainable tourism visibility, offer genuine travel experiences, support local communities, promote cultural exchange and protect the environment.
Featured trips & expertise
Top itineraries and travel advice
From cosmopolitan Santiago to cosmic stargazing in the Atacama Desert, this brilliant seven-day itinerary takes you from the capital city to the world's largest salt flat. Taste...
This epic 10-day adventure in Argentine Patagonia starts with a trip to the "end of the world" at Tierra del Fuego, where you'll explore wilderness parks and share cultural...
Northern Argentina is home to attractions that range from painted mountains and vast salt flats to colonial cities and rich Indigenous culture. You'll experience all of it over...
Recent Trip Reviews for MATER Sustainable Travel
Trip to Argentina- first time with Kim Kim travels
Argentina
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Dec 25 - Jan 2, 2026
- Kim Kim travels has a very opaque pricing policy. You can review our text chat - you will note that when I... Read more
Thank you for taking the time to share your experience and such detailed feedback. We sincerely regret that some aspects of the trip did not meet your expectations, especially considering that this was such an important journey for you and your family.
Regarding the itinerary design, our approach is always to work collaboratively with our travelers: we suggest options based on the interests expressed while also incorporating the places the traveler wishes to include. In this... Read more
Thank you to Juan and Kimkim for a great trip
Argentina
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Jan 5 - Jan 15, 2026
Hola Ron & Samuel!
Thank you so much for your kind words! It was truly a pleasure planning this special trip for you & your son. I’m very happy to hear you enjoyed Patagonia, the glaciers, hiking, rafting, and of course Iguazú Falls, the fast boat experience is definitely unforgettable! Thank you again for trusting me with your journey. I hope to welcome you back to Argentina in the future.
Warm regards from Mater Sustentable
Great Argentina experience !
Argentina
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Jan 6 - Jan 16, 2026
The only time we had an issue was one guide was delayed due to other people in the group being late. We weren’t contacted and thought they forgot to pick us up because we were waiting over a half hour.
I would just recommend to please contact the guests if guide is running late. Other than that everything was really good. ... Read more
Hola Kim!
Thank you so much for sharing your experience with us! I’m truly happy to hear that you had an excellent time and that our guides met your expectations.
Thank you for pointing this out, it’s very valuable feedback and something we will definitely keep in mind to improve our service and keep guests informed if a guide is running late.
I’m delighted to know that your birthday trip was a special one and that you enjoyed visiting Argentina.
It was a pleasure planning this experience for you, and I truly hope to welcome you back in the future!
This was our 6th trip with KimKim, and while ...
Patagonia
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Dec 28 - Jan 17, 2026
Thank you very much for taking the time to share such a detailed review of the services and the different aspects of your trip. All the feedback we receive is truly valuable to us, as it allows us to continue improving the quality of our experiences and to further enhance traveller satisfaction.
First of all, we would like to clarify that both Justo and I, Juan Ignacio, are part of the Mater Sustentable team and serve as Kimkim’s local partners here in Argentina. We were... Read more
Overall ... good but not great.
Argentina
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Dec 26 - Jan 2, 2026
There were many issues of miscommunication th...
Patagonia
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Nov 2 - Nov 17, 2025
Thank you very much for taking the time to share your feedback and constructive comments. It is very valuable for us to learn about the experience of our travellers. We are truly sorry that the communication during your trip did not meet the expected frequency. Your observations help us better understand the emphasis we must place on intercultural topics, level of attention, and detail when discussing the different travel proposals. Regarding the Tango Dinner Show at El Viejo... Read more
Amazing trip to Argentina to see the Falls and the Whales
Argentina
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Jul 28 - Aug 4, 2025
The guides you mentioned will be thrilled to hear how much you appreciated their work, and I'm glad to hear the hotels and services were up to par as well. The Falls, the bird park, Peninsula Valdés... such incredible places! Coming back with thousands of photos is definitely a sign of an unforgettable trip.
Thank you... Read more
Argentina - Bottom to Top
Argentina
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May 27 - Jun 5, 2025
Hola Chris & Aidan,
Thank you so much for your kind words, It's been a pleasure for us and all the Mater Sustentable team working with you and get the best experience visiting our home country.
We really enjoyed organizing your trip, and we look forward to welcoming you back for more unforgettable experiences in the future!
All the best,
Juan Ignacio.
We enjoyed our trip very much as the 4 areas ...
Patagonia
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Mar 4 - Mar 22, 2025
Great planning. Poor execution.
Patagonia
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Mar 16 - Mar 22, 2025
Thank you for sharing your feedback with us. We're truly happy to hear that you enjoyed the planning of your trip, the excursions, and the hotel selections. We’re very sorry to learn about the challenges you faced due to the weather disruptions and that you did not feel supported during those moments. That is certainly not the experience we want for our guest. We take your comments seriously and will be reviewing this internally to ensure we provide the best possible assistance... Read more