About Us

FAMILY OWNED SINCE 1994


Oscar Javier Thellaeche Urdininea

Professional Summary

For decades, Javier has been shaping mountain and adventure experiences. Trained by the German Alpine Club (DAV) in 1984 later become a certified mountain guide instructor and leaded expeditions across the Andes in Bolivia, Chile, Peru, Argentina, across the Himalayas in Nepal and New Zeland. In 2005, he become a certified guide member of the International Mountain Guides Association (IMGA, UIAGM, IVBV). Fluent in Spanish, English, and Italian, he is also a designer of challenge courses and adventure parks like Zipline Bolivia, Urban Rush Bolivia, and Villa Alcira.


Javier Thellaeche Ortiz

Professional Summary

Trekking guide specialized in high-altitude mountain treks and Andean valley hikes. Four years of hands-on experience guiding world travelers through landscapes of Bolivia and Guatemala. Certified guide of the Asociación de Guías de Montaña y Trekking de Bolivia and instructor of the Escuela de Guías EGIM – AGMTB. Partner of Andean Summits, a 30 years old adventure tourism company. Food Security NGO developer with Fundación Alternativas and Veterinarian.

Adventure awaits, together!



Copyright © Andean Summits

Powered by Control Sur

This website uses cookies

We use cookies to personalize content, analyze traffic, and show relevant ads. We also share information about your use of the site with our advertising and analytics partners.