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When is International Mountain Day 2026?
International Mountain Day 2026 is on Friday, December 11, 2026 in United States.
The United Nations' (UN) International Mountain Day is an occasion to help raise awareness of the people who live in mountainous regions and the role that these regions play in providing food, water, and recreation. It is observed on December 11 each year.
See December 11 on the world mapInternational Mountain Day 2026 by country
| Country | Date |
|---|---|
| 🇺🇸 United States | December 11Friday |
Questions about International Mountain Day
- When is International Mountain Day in 2026?
- International Mountain Day is on Friday, December 11, 2026.
- Which countries celebrate International Mountain Day?
- International Mountain Day is marked in 1 country: United States.
- Is International Mountain Day a public holiday?
- In 2026 it's listed as an observance or regional holiday rather than a nationwide day off. Check the table for each country.
Other holidays around the same time
- Independence Day January 1
- Mother's Day February 8
- National Day February 4
- Constitution Day January 7
- Victory Day January 2
- Republic Day January 1
- Liberation Day January 1
- Feast of the Immaculate Conception December 8
- Immaculate Conception December 8
- National Heroes' Day January 20
- Revolution Day January 3
- Youth Day February 11