About Us

At Andes Mountain Guides, we are proud to have world class guides internationally certified and among the best alpinists. Our guides are renowned for their personalized service, their knowledge of the terrain and their skills as instructors. This, in addition to our expertise in logistics and client preparation, makes Andes Mountain Guides your best option for your mountain experience.

Our Team


Coop has been an avid climber, ski patrol and mountain guide for over 20 years. With expeditions to Spain, Italy, France, Chile, Peru, Vietnam and Thailand he has climbed in almost every continent. Coop has many first ascents of rock and ice, and several first ski descents in Montana and Alaska. Coop has been the owner and one of the senior guides for Montana Alpine Guides in Bozeman, Montana for 7 years . He currently lives in Boulder, CO, where he also works as forecaster at the Colorado Avalanche Information Center. Not only a guide, Coop has a Masters in Snow Science, and he is an avalanche and wilderness medical educator.

Head Guide- AMG Director
Guide’s choices: Patagonia Ice Cap Expedition, Baguales Hut to Hut, Aconcagua Northeast Route.

Juan Pablo Villagra


Juan was born and raised in Argentina and he lives in Bariloche. For the last 20 years, he has guided and climbed extensively worldwide. His major climbing achievements are unforgettable experiences in mountains like Cerro Torre, Fitz Roy, El Capitan, the Tetons, Aconcagua and the ice waterfalls of Montana. The climbing challenges and a full contact with the elements keeps leaving him a permanent mark and a solid bond with many friends and clients.

IFMGA/UIAGM Mountain Guide- AMG Head Guide
Guide’s choices: Classic Volcanoes Ski, Patagonia Alpine Trilogy, Aguja Guillaumet


Federico was working as an international certified guide sinche 2008. He spends his time guiding between Bariloche and Chamonix. He is also an mountain guide courses Instructor for the AAGM (Asociación Argentina de Guías de Montaña), since 2001. Federico speaks spanish, english and french.

IFMGA/UIAGM Mountain Guide. AADIDES Level 2 Ski Instructor
Guide’s Choices: Haute Route Monte Rosa, Across The Andes Tour, Rock Climbing Frey



Based on the patagonia town of El Bolson, Gianni is rarely at home. During the southern hemisphere summer, he is guiding in Aconcagua, where he is one of the most experienced and renowned guides. In winter, he´s the head guide of Baguales Mountain Reserve. He has guided all around the world, learning to speak fluent English and German.

IFMGA/UIAGM Mountain Guide. AAGM Ski Guide
Guide’s choices: Baguales Hut to Hut, Frey Backcountry Ski, Tronador Ski Ascent


Mercedes, also known as “Teti”, is a Mountain Guide, Ski Instructor and Backcountry Ski Guide.
As an athlete, she participated on the World Championship of Backcountry ski racing, the Eco Challenge in New Zealand and numerous competitions of adventure racing around the world.
As a mountaineer, Teti became the first Argentinean woman to summit Everest and had climbed Aconcagua several times.
Mercedes also has a degree in Biology, specialized in Ecology. She lives in Bariloche.

AAGM Ski Guide/Mountain Guide
Guide’s choices: Ski Volcan Lanin, Aconcagua Northeast Route, Tronador Glacier Trek



Tomy was born and raised in Bariloche, where he started skiing at the age of five and developing his passion for the mountains. He´s a full certified IFMGA/UIAGM guide based in Chalten for more tan 10 years.
His job has taken him to the Himalayas, Europe and throughout the Andes. Tomas is one of the most prolific alpinists in Argentina, having done eight ascents to Fitz Roy, two summits of Cerro Torre and several ascents to the peaks around Chalten.

IFMGA-UIAGM Mountain Guide
Guide’s choices: Patagonia Alpine Trilogy, Aguja Guillaumet, Tronador Ski Ascent


Constanza grew up as a ski racer and freeskier in Chilean southern Patagonia, now a days lives in Frutillar, a small town in northern Patagonia surrounded by Chilean Volcanoes. During south American winter you can find her teaching avalanche courses and climbing mountains/skiing either in Patagonia or Central Andes. She is now going through the ski guide program at AMGA (American Mountain Guides Association). She has skied in different parts of the world including Alaska, Canada, Kashmir and all over Patagonia. This year she joins Andes Mountain Guides as a Ski tail guide.

AIARE Avalanche Ski Instructor – Ski Tail Guide
Guide’s choices: Osorno SkiDay Trip. Frey Backcountry Ski



Indio was born and raised in San Juan, where he started climbing at the northern and central Andes. Since 2005 he lives in Chalten, where he has climbed all the fourteen main summits of the Fitz Roy and Cerro Torre ranges, some as impressive first ascents.

He is an IFMGA/UIAGM certified guide specializing on technical ascents in Patagonia.

IFMGA-UIAGM Mountain Guide
Guide’s choices: Piedra Parada Sport Climbing, Rock Climbing Frey, Aguja Guillaumet

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