Komamon Wind Cave

One of the largest and oldest lava caves on Mt.

Fuji. It is one of the lava tubes formed by the volcanic explosion of Mt.

The cave is designated as a national natural monument and is popularly known locally as “Kazaana.

This cave was formed by the Mishima lava flow about 10,000 years ago, making it the oldest lava cave existing on Mt.

The interior of the cave is divided into a main cavern and branch caverns, with the main cavern measuring 291 meters long and the branch caverns measuring 110 meters long.

The entrance is a spacious hall-like structure with a 20-meter-high ceiling.

The inner walls are uneven, and numerous lava stalactites and traces of lava flows hang from the ceiling.

The temperature inside the cave is 13 degrees Celsius year-round, and the lighting is well maintained. In addition, insects with degenerate eyes inhabit the cave.

In addition, visitors can drink water from the underground spring water of Mt.

There are three shrines by the entrance to Komakado Fuan, and they are called “Komakado Fuan Shrines.

Koyasu Shrine: The deity is the goddess Kihanasakuyahime.
Kazeshin Shrine: The deities are Shinatsuhiko and Shinatsuhime no Kami.
Kogajinja Shrine: The deities worshipped are Koto Hime and Koto Hime.

Organisms

Komamon-kaze Cave is home to many unique creatures that cannot be found anywhere else. These organisms have “Komakado” in their names and are considered endemic to Komakado Wind Cave. The following is a partial list of organisms that inhabit the area as endemic species:

Insects:

Komakado little garbage beetle
Komakado flying squirrel beetle (Pteromys volans)
Komakado aardvark beetle

Bats:

Japanese lesser horseshoe bat (Rhinolophus cornutus)
Ubinaga bat
greater horseshoe bat (Rhinolophus ferrumequinum)
rat bats

Plants:

Hikarimo, etc.

Information

Name: Komamon Wind Cave
駒門風穴
Link: Official Site
Address: 69 Komamon, Gotemba City, Shizuoka Prefecture
Telephone number: 0550-87-3965
Hours of operation: 9:00-17:00 (until 16:00 from December to February)
Closed: Open year-round from March to November
Open every Monday from December to February (open if the Monday is a national holiday, open on the 1st and 2nd Monday of January)
Closed on December 31
Admission fee: Adults 300 yen
High school and junior high school students: 200 yen
Elementary school students 100 yen
Free for infants
Parking lot: Parking is available
Access: 10 km from Tomei Gotemba IC. Take Route 246 toward Numazu, turn left at “Kubomae” intersection.
5.5 km from the Susono IC of the Tomei Expressway. Take Route 246 toward Gotemba, and turn left at the Komamon-Kazehana intersection.
20 minutes on foot from Fujioka Station on the JR Gotemba Line.