When is Mountain Day 2026?

Mountain Day 2026 is on Tuesday, August 11, 2026 in Japan.

Mountain Day is a national holiday in Japan

Mountain Day 2026 by country

Questions about Mountain Day

When is Mountain Day in 2026?

Mountain Day is on Tuesday, August 11, 2026.

Which countries celebrate Mountain Day?

Mountain Day is marked in 1 country: Japan.

Is Mountain Day a public holiday?

Yes, it's a public holiday in Japan. Elsewhere it may be an observance or a regional holiday, so check the table for each country.

Other holidays around the same time

• Independence Day January 1
• Mother's Day February 8
• Father's Day January 4
• National Day February 4
• Assumption Day August 15
• Constitution Day January 7
• Assumption of Mary August 15
• Victory Day January 2
• Emancipation Day March 22
• Liberation Day January 1
• Carnival February 16
• Flag Day February 24