Izu-Ooshima is the largest island in Izu Islands,
and is located about 60 km south of Kanagawa Prefecture and about 40 km
east of Shimoda city in Izu Peninsula.
It is nearly oval like a lemon, and the major axis is about 15 km and the minor axis is about 9 km.
The whole island is the top of an undersea volcano, and there is the
crater in the center of the island.
It is Mount Mihara volcano.
In this island, people lived about 8,000 years ago. So there are many
From the 8th to the 18th centuries, here had been a penal colony.
After that, here has been the island of fishery industry, stock raising, and sightseeing.
The main town is Motomachi, which is on the west coast, and the
passenger ship from mainland come in here.
There is a port, and the ship from the mainland enter here.
Camellia is a symbol of Izu-Ooshima.
From Motomachi to main places in the island, several route buses run.
And you can use taxi, rental car, retal motorcycle or rental bicycle to tour around the island.
the active volcane forming this island, and the height is 764 meters.
The crater is just south of the center of the island.
The current crater was formed by the great eruption in 1777. In the 20th century, it erupted three times.
Particularly when the last great eruption in 1986 was occured, all people evacuated out of the island for a month.
The diameter of the somma is about 3 km, and there are many volcanic vents around it.
And its lava field occupys the substantial part of the island.
Since 1996, it has been allowed to approach around the creater. Some walking trails are set up.
Since ancient times, this mountain has been called "Gojinka" and it
means "fire of god".
The island's people think that the eruption of Mount Mihara is the wrath of the god.
is the wall showing clear stripe of stratum, and is located in Senba
district about 6 km south of Motomachi town.
This was unveiled when a road was constructed. This wall continues for about 1 km along the road.
It is said that more than 90 layers had been formed by repeated eruptions for 1.5 million years.
It looks like "Baumkuchen" (one of German cakes).
It is a
small harbor at the southern end of the island.
Originally it was a round creater lake, and it had been connected to the sea by the great tsunami (seismic sea wave) caused by the earthquake in 1703.
In 1800, here was improved as a harbor.
In early 20th century, this harbor had been busy as a base of deep-sea fishing.
So there are some buildings of the time around here.
On the western hill of the harpor, thete is an observatory.
a tall rock standing in the sea, and is located about 2 km north of
Habu Harbor. The height is about 30 meters.
It was a volcano originalli, and it is said that only the vent of the volcano remains after the all other parts had been eroded.
a municipal park, and is located at the northeast part of the island.
It has a camellia garden about 7 hectares wide, and there are about 9,000 camellia trees in this garden. The camellias are in full blossom from January to March.
Additionally there is a zoo in this park.
From Haneda airport, about 35 minutes.