Gannoana
4
(26)Gannoana is a scenic spot near Mt. Fuji, featuring lava caves and vertical lava shafts formed by an eruption around 1,500 years ago. It's a place to experience natural geological formations and observe wildlife like bats.
Address
字雁ノ穴-5605 Kamiyoshida, Fujiyoshida, Yamanashi 403-0005, Japan
Opening Hours
OPEN 24 HOURS (Fri)
Phone
+81 555-24-2411
Worth it?
Worth it if you're up for a trek into natural lava caves
Skip if you prefer easily accessible, paved attractions
Location
字雁ノ穴-5605 Kamiyoshida, Fujiyoshida, Yamanashi 403-0005, Japan
Nearby places
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Highlights
Inside the caves, you can find numerous icicles in winter and observe sleeping bats.
The area features hornito terrain, where a skylight opened in a lava cave, causing secondary lava flows.
Nearby eats
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Who it's for
Adventurous travelers and nature enthusiasts who enjoy trekking and exploring caves, especially those interested in geological formations.
Know before you go
Vehicle access is restricted, so be prepared to walk, and a map from the Geospatial Information Authority of Japan might be helpful for navigation.
If visiting in December, expect to see countless icicles inside the caves.
Reviews
4
Good
5 ReviewsVisitors appreciate the natural mystery and trekking experience at Gannoana, often highlighting the cool cave interiors and the presence of bats. However, some note the need for caution due to dangerous vertical lava shafts.
Fun facts
The actual eruption site is a 500-meter-long linear fissure in a valley to the south, from which lava flowed to form the caves.
