Highest Mountain in the World: Mount Everest

Mount Everest (Sagarmatha / Chomolungma) is Earth's highest peak at 8,848.86 m (29,031.7 ft) above sea level (2020 China-Nepal joint survey).

Location

• Border: Nepal (Khumbu) / China (Tibet Autonomous Region)
• Range: Mahalangur Himal, Himalayas
• Coordinates: 27°59′17″N 86°55′31″E

Key Facts

• First summit: Tenzing Norgay & Edmund Hillary (May 29, 1953)
• Death zone: >8,000 m (insufficient O₂ for sustained life)
• Climbing seasons: Pre-monsoon (Apr–May), post-monsoon (Sep–Oct)
• Permits: Nepal (~$11k), China (~$8k) + logistics ($30k–$100k+ total)

Everest grows ~4 mm/yr from tectonic collision; 2015 earthquake may have altered height slightly.