Mountain Day in Japan falls on Tuesday, August 11, 2026. It is a nationwide public holiday across Japan.
Mountain Day 2026 in Japan: August 11, 2026. Nationwide day off. Holiday data is synced automatically every day from the open-source Nager.Date database.
LIVE COUNTDOWN
Mountain DayJapan
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August 11, 2026 Β· Tuesday2026-08-11
| Date | 2026-08-11 (Tuesday) |
| Holiday | Mountain Day |
| Type | Public |
| Scope | Nationwide |
| Source | Nager.Date |
FAQ
When is Mountain Day 2026?
Mountain Day 2026 falls on August 11, 2026 (Tuesday).
Is Mountain Day a statutory holiday?
Yes β it is a nationwide public holiday.
How many days until Mountain Day?
There is a live countdown at the top of this page β -23 days to go.
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