Sakurajima is the trademark or the symbol of Kagoshima Prefecture located in the middle of Kagoshima Bay. It is Japan's most active volcano with 1,117 meters tall and 50km round. This volcano smokes consistently, minor eruption often takes place many times per day.
The major eruption is in 1914, the 400-meter wide strait was filled with approximately 10 billion ton of lava causing the island to connect with Osumi Peninsula on the opposite shore.
The volcano can be accessed by ferries that can run the 3.5 kilometers between Kagoshima Port and the Sakurajima Ferry Terminal. The volcano is consisted of 3 peaks; the northern, middle and southern peak. The southern peak is the most active.
Just around the ferry terminal situated is the Sakurajima Visitor Center which offers to give information of the history of the eruptions and development of Sakurajima and the Sakurajima International Volcanic Sabo Center that offers to let the visitors experience disasters caused by volcanic activities and mudslides, and various preventions on those disasters.
Take Sakurajima Island View Bus. Note that it only operates every hour from the ferry terminal to the Yunohira observation point.
That said, the recommended transportation to the Sakurajima is by car. If you are unable to bring one, there's a car rental center in the airport and the city.
The Sakurajima ferry service is available 24 hours that cost 150 Yen for the adults and 80 Yen for trhe children.
The Sakurajima Visitor Center opens at 9:00 to 17:00.
Admission is free and it has no closing days.