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Taking people on extraordinary adventures for years.

Arnold Coster is the founder and senior expedition leader. Arnold Coster has led over thirty five expedition in the Himalaya’s and other mayor mountain ranges in Asia, South America & Africa. He is a Multiple Everest and Cho Oyu summiteer, he summited more than ten times over 8000m! Arnold Coster is living in Nepal; this combined with more than a decade of Himalayan experience makes him a high Altitude Expert!

Arnold Coster is a relaxed, considerate and thoughtful person; an expert leader and a highly-skilled professional who specializes in getting people to the summit and back down in 100 percent safety. He is a good communicator, a great motivator, and has a positive attitude. Arnold is at home in any terrain, with any kind of group.

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Gokyo Valley Trek 20 Days

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Rajendra Bajgain

Founder, Chairman and MD

In 2010, he and his company, Arnoldcoster Expeditions, was awarded with a Certificate of Appreciation by the United Nations Mission in Nepal (UNMIN) for his services and contribution in the UN supported discharge process of Maoist army personnel disqualified from joining the Nepal Army during the UN verification process.

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