Event

International Mountain Day 2026

December 11, 2026

Countdown

180 days left

It starts on Friday

Country

Holiday type

Holiday

About this event

International Mountain Day is a public holiday in United States observed on December 11, 2026.

Related events

Feast of Our Lady of Guadalupe

December 12, 2026

International Day of Neutrality

December 12, 2026

Last Day of Chanukah

December 12, 2026

View December 2026 calendar Back to calendar