Ruben Barrera

Ruben Barrera

Guide: Aconcagua

Ruben Barrera has spent over 25 years guiding Aconcagua and other major mountains of Argentina and South America, racking up over 20 summits of the highest peak in the Americas. Widely known in the local mountain world for his professional guiding skills and charisma, his mountain guide work takes place year round in other large mountains such as Ojos del Salado (22,615 feet), Mount Pissis (22,286 feet), Incahuasi (21,722 feet), Cerro Tres Cruces (22,122 feet) and the biggest mountains of Mendoza such as Cerro Plata (19,685 feet) and Vallecitos (18,044 feet). Since joining Alpine Ascents, he’s become known for running seamless expeditions and fostering tight knit groups. He is also a passionate trekker and will climb every mountain that he can. Ruben has a great appreciation for simple tours with great views that everyone can enjoy. When not guiding, he is an accomplished outdoor photographer, taking pictures from every place he visits all over Latin America.

Guide For:

Aconcagua

Significant Ascents

Aconcagua 22,831 ft – 27 summits (Mendoza, Argentina)
Ojos del Salado Volcano 22,615 ft (Argentina/Chile)
Incahuasi Volcano 21,722 ft (Argentina/Chile)
San Francisco Volcano 19,738 ft (Catamarca, Argentina)
Nevado Laguna Blanca 19,724 ft (Catamarca, Argentina)
Mt Vicuñas 19,740 ft (Atacama, Chile)

Certifications

AAGM (Argentine Association of Mountain Guides) Certified Mountain Guide.
Wilderness First Responder – WFR / RCP

Our guides were terrific. Both have vast experience and took the time to explain their experiences and learned skills to all of us. They made sure everyone was well-versed on what to expect each day, along with required gear. They emphasized many of the basic skills required to summit a mountain like Aconcagua. They were […]

Aconcagua BLOG

  • 2025 Aconcagua Webinar

    Enjoy our 2025 Aconcagua webinar hosted by senior guide and Aconcagua expert Rachel Molstad. In this video, Rachel covers pre-trip planning, a detailed overview of the expedition, important gear considerations, and more. You’ll also get to hear thoughtful questions answered during the Q&A session that followed the presentation. Whether you’re deciding which route up the mountain […]

  • 2022 Aconcagua Webinar

    If your 2022 winter plans include climbing the Stone Sentinel, check out the webinar we hosted on October 4th.  Lead Aconcagua Guide, Rachel Molstad, outlined both climbing routes and what to expect on the expedition.   Our Gear Manager, Ciara Sampaio, walked us through gear considerations along with helpful information on porters, money, and pre-trip logistics.  […]

  • Is My Training Working?

    Is my training working? Whether explicitly spoken or implied, this is the question many climbers ask of themselves, their friends, and perhaps their guides. At Alpine Ascents, we hear this question weekly. While the best answer to this question requires a comprehensive understanding of you and your objective, there are simpler ways to get a […]

Partners & Accreditations

Alpine Ascents International is an authorized mountain guide service of Denali National Park and Preserve and Mount Rainier National Park.
© Copyright 2026 All Rights Reserved. Alpine Ascents International