International Mountain Day
December 11, Wednesday
Mountain Day refers to three different and unrelated events: Mountain Day, a student celebration in some colleges in the United States in which classes are cancelled without prior notice, and the student body heads to the mountains or a park, International Mountain Day, held each year on 11 December, which was established by the UN General Assembly in 2003 to encourage sustainable development in mountains, and Mountain Day, a national holiday in Japan as of 2016.
International Mountain Day in other years
- 2021 December 11, Saturday
- 2022 December 11, Sunday
- 2023 December 11, Monday
- 2025 December 11, Thursday
International Mountain Day in other countries
- Afghanistan
- Albania
- Algeria
- American Samoa
- Andorra
- Angola
- Anguilla
- Antigua and Barbuda
- Argentina
- Armenia
- Aruba
- Australia
- Austria
- Azerbaijan
- Bahamas
- Bahrain
- Bangladesh
- Barbados
- Belarus
- Belgium
- Belize
- Benin
- Bermuda
- Bhutan
- Bolivia
- Bonaire
- Bosnia and Herzegovina
- Botswana
- Brazil
- British Virgin Islands
- Brunei
- Bulgaria
- Burkina Faso
- Burundi
- Cambodia
- Cameroon
- Canada
- Cape Verde
- Cayman Islands
- China
- Colombia
- Comoros
- Congo
- Costa Rica
- Cuba
- Curacao
- Cyprus
- DR Congo
- Denmark
- Djibouti
- Dominica
- Dominican Republic
- East Timor
- Egypt
- Gabon
- Gambia
- Georgia
- Germany
- Ghana
- Gibraltar
- Greece
- Greenland
- Grenada
- Guadeloupe
- Guam
- Guatemala
- Guernsey
- Guinea
- Guinea-Bissau
- Guyana
- Haiti
- Hong Kong
- Hungary
- Iceland
- India
- Indonesia
- Iran
- Iraq
- Ireland
- Israel
- Italy
- Ivory Coast
- Japan
- Jersey
- Jordan
- Kazakhstan
- Kenya
- Kiribati
- Kosovo
- Kuwait
- Kyrgyzstan
- Laos
- Latvia
- Lebanon
- Lesotho
- Liberia
- Libya
- Liechtenstein
- Lithuania
- Luxembourg
- Macau
- Madagascar
- Malawi
- Malaysia
- Maldives
- Mali
- Malta
- Marshall Islands
- Martinique
- Mauritania
- Mauritius
- Mayotte
- Mexico
- Micronesia
- Moldova
- Monaco
- Mongolia
- Montserrat
- Morocco
- Mozambique
- Myanmar
- Namibia
- Nauru
- Nepal
- Netherlands
- New Zealand
- Nicaragua
- Niger
- Nigeria
- Qatar
- Spain
- U.S. Virgin Islands
- Ukraine
- United Kingdom
- Vanuatu
- Vatican
- Venezuela
- Vietnam
- Western Sahara
- Yemen
- Zambia
- Zimbabwe