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Hervé Landetcheverry
966 messages · active 12 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
Great trip.!
Patagonia
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Mar 2 - Mar 16, 2026
From planning to implementation everything fell right into place. Any and all our questions were answered promptly and completely. Transfers, accommodation and activities, met or exceeded our expectations. Well done!
Thanks for a great trip! Read more
Hola Arnie & Colleen!
Thank you so much for your kind words! It truly means a lot to know that everything, from planning to execution, came together seamlessly and met your expectations.
It was a pleasure assisting you throughout the process, and I’m really glad you felt well supported every step of the way.
Thank you again for trusting us with your trip, and we hope to help you plan another unforgettable journey in the future!
Overall enjoyed the well-planned trip, with a few minor surprises
Patagonia
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Feb 20 - Mar 7, 2026
1. at the Santiago airport, we did not know we need to provide hotel reservation on Easter Island in order to board;
2. arriving on Easter Island, we were told to pay $100/pp for touring the island. It was not the extra $100 required by the island that surprised us, but there was no mention as such from KimKim in... Read more
Thank you for sharing your experience and for the kind words about the overall trip!
The three points you raised are completely valid, the Santiago boarding requirement, the Easter Island entrance fee, and the route adjustment were all things you deserved to know about in advance. We take that feedback seriously and are updating our pre-trip communication to make sure future travelers have all the information they need before any surprises arise.
We're sorry for the stress those... Read more
A Memorable Patagonia Journey with a Few Suggestions for Improvement
Patagonia
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Feb 20 - Mar 7, 2026
Thank you very much for taking the time to share such a thoughtful review. We’re truly happy to hear that your trip left such a strong impression on your group. From hiking near Mount Fitz Roy and seeing the dramatic towers of Torres del Paine to experiencing the Perito Moreno Glacier and the Moai on Easter Island, it’s wonderful to know these moments made the journey so memorable. Thank you as well for your comments about the accommodation on Easter Island. We regret that the... Read more
Memorable places
Patagonia
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Feb 20 - Mar 7, 2026
Hola James!
Thank you for your feedback and for sharing the highlights of your trip. We’re very happy to hear that Glaciar Sur Aventura, Torres del Paine, and Easter Island were among the most memorable parts of your journey.
We also appreciate your comments about the hotels. Your feedback is very helpful for us when reviewing the properties we work with, and we’re glad to know that the hotels in El Calafate and Las Torres met your expectations.
Thank you again for traveling with us and for taking the time to share your experience.
Great trip, great guides, all the transfers a...
Argentina
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Jan 12 - Jan 30, 2026
Hola Brian & Susan!
Thank you so much for your kind words! It was truly a pleasure having you as our guests in Argentina. We’re very happy to hear that everything worked out smoothly and that you enjoyed the trip. The photos you shared are beautiful; it’s clear you had an amazing time, especially in Iguazú and El Chaltén. We hope to welcome you back again in the future!
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