Uncontaminated Nature

Aogashima – Tokyo’s secret island Paradise

Aogashima is a fascinating and somewhat lesser-known volcanic island located in the Philippine Sea, approximately 358 kilometers (222 miles) south of Tokyo, Japan. Part of the Izu Archipelago, Aogashima is indeed a geological marvel—it is a volcano within a volcano. This unique feature makes it one of the most intriguing islands in the world, both geologically and visually.


The island itself forms the edge of a larger ancient caldera, while the center of Aogashima contains a smaller active volcanic cone called Maruyama. Despite its active status, the last eruption occurred in the late 1780s and early 1790s, which tragically resulted in many lives lost. Today, the island is monitored for volcanic activity, but it remains inhabited, with residents living a peaceful, isolated life far from the hustle and bustle of mainland Japan.

Aogashima is accessible only by helicopter or boat, weather permitting, which adds to its allure and exclusivity. The island’s rugged landscape, combined with its lush greenery and the blue of the surrounding ocean, makes for a breathtakingly picturesque scene.


Visitors to Aogashima can enjoy hiking, geological sightseeing, and the unique experience of visiting a sauna that uses natural geothermal heat generated by the volcanic activity beneath the island.

The community on Aogashima, although small, is vibrant and welcoming. The residents often engage in agriculture, utilizing the fertile volcanic soil to grow various crops. Tourism is limited but growing, as more adventurous travelers seek out this remote destination for its natural beauty and tranquility.

Despite its remote location and the logistical challenges involved in visiting, Aogashima offers a truly one-of-a-kind experience for those looking to explore one of nature’s most intriguing creations.


The island’s dual volcanic structure, along with its lush natural environment and the deep blue of the surrounding ocean, provide an unforgettable backdrop for adventurers and nature enthusiasts.

For those planning a visit or interested in learning more about Aogashima and other volcanic islands, resources like Secret World offer comprehensive travel guides and insights into unique destinations worldwide. Additionally, for more detailed exploration and understanding of Japan’s diverse and often remote island geography, this comprehensive guide can provide invaluable information and travel tips.

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