




Narusawa Ice Cave
3.9
(8.6k)The Narusawa Ice Cave is a lava tube formed over a thousand years ago during a Mount Fuji eruption, located in the Aokigahara forest. It's a short, chilly walk through narrow, dim passages with solidified lava walls and impressive ice formations that persist year-round. The cave was historically used as a natural refrigerator, with ice sent to the shōgun during the Edo period.
Address
Japan, 〒401-0320 Yamanashi, Minamitsuru District, Narusawa, 鳴沢8533
Website
Opening Hours
9:00 AM – 4:00 PM (Fri)
Phone
+81 555-85-2301
Worth it?
Worth it if you're up for a quick, adventurous underground exploration and don't mind crouching
Skip if you're claustrophobic or expect extensive ice formations outside of winter
Location
Japan, 〒401-0320 Yamanashi, Minamitsuru District, Narusawa, 鳴沢8533
Highlights
You'll navigate a section where you have to squat or almost crawl through, adding to the adventure.
The temperature inside stays around 0–3°C all year, making it a refreshing escape from the heat.
Helmets are provided for free to protect your head from low-hanging rocks and icicles.
Who it's for
This is for adventurous travelers who don't mind tight spaces and want a unique, cool experience, especially on a hot day. It's also great for those looking to pair it with a nature walk to the nearby Fugaku Wind Cave.
Know before you go
Wear good shoes as the path can be slippery and a light jacket for the chilly interior.
Watch your head for low-hanging rocks and icicles, especially in the narrower sections.
Reviews
3.9
Good
5 ReviewsVisitors generally find the Narusawa Ice Cave a unique and adventurous experience, highlighting the impressive ice formations and the refreshing coolness inside. Many mention the need to navigate narrow, sometimes slippery passages and stairs, with a section requiring crouching.
Fun facts
The cave was designated a Natural Monument of Japan in 1929, along with the Fugaku Wind Cave and Lake Sai Bat Cave.
During the early 1900s, ice from this cave was used in refrigerators before electric ones became common.












