Mountain Day is a public holiday in Japan, observed on August 11, 2026. It is locally known as 山の日. This is a national holiday observed across the entire country.
Holiday Details
| Holiday | Mountain Day |
| Local Name | 山の日 |
| Date | August 11, 2026 |
| Country |  Japan |
| Type | Public |
| National | Yes — observed nationwide |
Frequently Asked Questions
All Public Holidays in Japan
| Date | Holiday | Type |
|---|---|---|
| 2026-01-01 | New Year's Day | Public |
| 2026-01-12 | Coming of Age Day | Public |
| 2026-02-11 | Foundation Day | Public |
| 2026-02-23 | The Emperor's Birthday | Public |
| 2026-03-20 | Vernal Equinox Day | Public |
| 2026-04-29 | Shōwa Day | Public |
| 2026-05-04 | Constitution Memorial Day | Public |
| 2026-05-04 | Greenery Day | Public |
| 2026-05-05 | Children's Day | Public |
| 2026-07-20 | Marine Day | Public |
| 2026-08-11 | Mountain Day | Public |
| 2026-09-21 | Respect for the Aged Day | Public |
| 2026-09-23 | Autumnal Equinox Day | Public |
| 2026-10-12 | Sports Day | Public |
| 2026-11-03 | Culture Day | Public |
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