Mount Aso

Mount Aso or Aso Volcano is the second largest active volcano in Japan after Mount Fuji, and among the largest in the world. Common use relates often only to the somma volcano in the centre of Aso Caldera. Wikipedia

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Before you go

Emergency numbers in Japan

Visas and entry What your passport needs for Japan
Daylight 10 h in Dec, dark by 17:10 · 14 h 18 in Jun
  1. January: 10 h 12 of daylight
  2. February: 11 h of daylight
  3. March: 11 h 56 of daylight
  4. April: 12 h 58 of daylight
  5. May: 13 h 50 of daylight
  6. June: 14 h 18 of daylight
  7. July: 14 h 08 of daylight
  8. August: 13 h 24 of daylight
  9. September: 12 h 25 of daylight
  10. October: 11 h 25 of daylight
  11. November: 10 h 29 of daylight
  12. December: 10 h of daylight

Getting there

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Getting around

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Places © OpenStreetMap contributors, as of 17 October 2026. Description from Wikipedia (CC BY-SA). Events from Wikidata and Wikivoyage, population from Wikidata.