30+ Mount Fuji Three Volcanoes Gif. Fuji has erupted at various times starting around 100,000 years ago—and is still an active volcano today. It is three volcanoes in one it might look like it's just one giant mountain, but mount fuji is actually made up of.
Mount fuji (actually, two volcanoes known as old fuji and young fuji) has erupted for more than 100,000 years—and is still an active volcano today.
It is also known as fujiyama or fuji no yama. Altitude sickness is also a concern on this hike because mount fuji reaches heights of nearly 12,400 feet. Fuji is the tallest mountain in japan at 3,776 meters (12,380 feet). 5 prominent dormant volcanoes 1.