Everest One is owned and operated by Allan Cohrs, who first discovered a love of the mountains almost 20 years ago, as a participant on an introductory climb in Nepal.

Since then, he was hooked and worked on fine-tuning his skills and knowledge, improving his fitness, and tackling challenging climbs, in the ultimate pursuit to establish himself as an accomplished mountaineer and guide.

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In 2011, after dedicating 24 years of his life to law enforcement, often surrounded by confronting, dangerous and tragic situations, Allan finally made the transition from law man to mountain man.

As a guide in the Himalaya’s, Africa, South America and Australia, Allan delivers a personalised service, focused on providing a safe, professional experience for his clients.

He has guided in all corners of the globe with over 20 high altitude climbs in the Himalaya's including Mt Everest (8850m), Lhotse (8516m), Cho Oyu (8200m), Baruntse (7129m) and Ama Dablam (6812m), along with 8 climbs of Mera Peak (6476m), 3 climbs of Lobuche East and Island Peak and numerous other 6000m+ climbs, along with 13 summits of Mt Kilimanjaro (5895m) and two successful climbs of Aconcagua (6960m), the highest mountain in South America. He regularly leads groups of trekkers into Everest Base Camp.

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When not leading trips overseas, Allan also guides on iconic Australian adventures, including the Overland Track, The Walls of Jerusalem and the Larapinta Trail in the Northern Territory.

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He is an expert at managing clients in high altitude environments which has resulted in the highest success rates on both climbs and treks he leads. He is experienced in handling logistics, decision making, assessing risk whilst maintaining a harmonious team environment.