International Mountain Day
International Mountain Day is observed next on Thursday, December 11th, 2025 (363 days from today).
Observed
International Mountain Day has been observed annually on December 11th.Dates
Monday, December 11th, 2023
Wednesday, December 11th, 2024
Thursday, December 11th, 2025
Friday, December 11th, 2026
Saturday, December 11th, 2027
Founded by
United Nations General Assembly on December 20th, 2002