One World Trekking Guides


Andy CrisconiAndy Crisconi
Owner and guide
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Charles EngelbertCharles EngeLbert
Trek, bike guide; photographer.
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Dennis WebbDennis Webb
Trekking guide, journalist.
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Manasseh FranklinManasseh Franklin
Trekking guide, travel writer.
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terray-sylvester-new-profile-picture-smallTerray Sylvester
Trekking, climbing guide; journalist.
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Mark Van AlstineMark Van Alstine
Trip consultant, trekking guide.
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Jake the DogJake the Dog
Office Companion.
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Wyatt the DogWyatt the Dog
Office Assistant.
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Contact & Info Center

(970) 945-2601

(Verizon mobile)

  • PO Box 3084
  • Aspen, Colorado 81612

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We are incredibly proud of our Trip Leaders. Whether you join a group trip led by one of our Western Trekking Professionals or accompanied on a private trek by one of our experienced Sherpa Trekking Guides, we can assure you a level of skill, knowledge and enthusiasm possessed by few other adventure travel companies. A great guide makes for a great trip and this is an integral part of a One World Trekking experience. Climbers, trekkers, naturalists, journalists and photographers - their skills are extraordinary and varied. Our guides are there to share their passion for unforgettable places and people with you. This enthusiasm and dedication is what transforms a trip into an experience of a lifetime!