Seven Summits
About the Seven Summits
Everest (Asia)
Vinson Massif (Antarctica)
Aconcagua (South America)
Elbrus (Europe)
Mount Kilimanjaro (Africa)
Denali (North America)
Carstensz Pyramid (Oceania)
Kosciuszko (Australia)
Explorer’s Grand Slam
Worldwide Climbs
Ecuador Volcanoes
Mont Blanc (France)
Introductory Alpine Academies
Australian Alpine Academy
Mt. Baker (USA)
8000m Peaks
Lhotse (Nepal)
Manaslu (Nepal)
Cho Oyu (Tibet)
Himalaya
Ama Dablam (Nepal)
Lobuche East (Nepal)
3 Peaks (Nepal)
First Ascent (Nepal)
Everest Base Camp
Rugged Luxury Everest Base Camp Trek & Stay
Everest Base Camp Trek (Nepal)
Last Degree Skis
North Pole Last Degree Ski (North Pole)
South Pole Last Degree Ski (Antarctica)
All-Women’s Expeditions
Orizaba Express (Mexico)
Mt. Rainier (USA)
About
About Us / Why CTSS
How to Apply to CTSS
Employment Opportunities
CTSS’ “No D*ckheads” Policy*
Letter to your Loved Ones
Success & Testimonials
Marginal Gains Philosophy
CTSS Guides & Team
Mike Hamill
Press
Climbing Resources
Webinars
Climbing Education
Understanding Acclimatization
Climbing Gear Advice
Female Climber Considerations
Trip Insurance
Our Speed Ascents
FAQ
The Book
News Blog
Contact
oxygen everest
oxygen everest
Extra Oxygen
