About Us

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 (Click Here for the list), 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.

Because Arnold Coster is actually living in the Himalayas his connections to the Local people are among the best. He is not visiting, he is part of the mountain community!

We believe that climbing these High Mountains is achievable for a lot of people; it’s a matter of guidance and support.  Therefore we offer a high Sherpa to Member ratio on all our full service climbs and our Base Camp setup will have all the comforts a modern climber needs; Heated dining tents with comfortable chairs and tables, Individual member tents, phone and internet access, western food etc. If you only want to join our base camps and logistics, this is also possible true our Basic Service.

Because we work strategically together with other Expedition companies we manage to have teams on all 8000m peaks in their favorable season. All with the same standard of support and comfort, also on the lesser climbed peaks!

Join Arnold Coster Expeditions on their next climb, you will not only get excellent service, you will also join a Sherpa community!

Arnold Coster expeditions is supported by:


Fixed Departure
Everest North Duration 60 Days Altitude: 8848m
Group of : 5+
Season: Spring
Price: USD
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Manaslu Duration 42 Days Altitude: 8163m
Group of : 5+
Season: Autumn
Price: USD
more details