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Explore our programs
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Denali's West Buttress

Are you ready for an epic expedition on The Great One in 2025?
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2025 Mt. Rainier Programs

Reserve your spot on Mt. Rainier for 2025.
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Mt. Baker or Mt. Rainier?

Discover which mountain is right for you as you begin your mountaineering journey.
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The Stone Sentinel

Join us on Argentina's Aconcagua for a seven summits adventure!
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Mexico's Volcanoes

Experience the city lights from high on Ixtaccihuatl and Orizaba!
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RMI Blog

Check out the blog and follow our global adventures!
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Our Philosophy

Getting safely up and down mountains is just the beginning of the story at Rainier Mountaineering, Inc. (RMI). Founded by the legendary Lou Whittaker and staffed by the most talented and accomplished guides in America, RMI boasts a five-decade legacy of safe, successful, and unforgettable mountaineering adventures.

Experience matters in the mountains, and that is exactly what we have gained over the last 55 years. From years of expedition guiding across the globe, including pioneering explorations into the remote Himalayas, to over 300 successful Denali Expeditions and 80,000 climbers on Mt. Rainier, our resume speaks for itself. This depth of experience is a testament to our unwavering dedication to mountain excellence and a legacy we continue to build with each new adventure we embark on.

Find Your Adventure

7 continents, 37 different programs, an experience of a lifetime.

Why RMI?

Guides

Get to know RMI's world class guides.

Responsible Climbing

We are actively committed to climbing responsibly.

About RMI

We're there for you every step of the journey.

History

Experience matters.

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