A Remote Island Born of Fire and Mystery
If you’ve ever wondered what it’s like to stand inside a volcano within another volcano, Aogashima (青ヶ島) will fulfill that curiosity and then some. Located 358 km south of Tokyo in the Philippine Sea, this tiny emerald island — part of the Izu archipelago — is the epitome of remoteness and natural wonder.
With a population of only about 160 people, Aogashima is one of Japan’s most secluded inhabited islands. The double-caldera landscape, formed from volcanic eruptions, is surreal and dramatic, offering a sense of untamed beauty that’s hard to find elsewhere.
It’s a place that embodies the phrase: “The journey is the destination.” Because getting here is an adventure in itself.
A Landscape Like No Other
Aogashima is shaped by its volcanic origins. The island’s most distinctive feature is its double caldera — an outer crater that wraps around a smaller, inner volcanic cone called Maruyama.
Towering cliffs, the remains of past eruptions, form steep walls around the island. The highest point, Otonbu (423 meters), offers jaw-dropping 360-degree views, letting you gaze across the rugged cliffs and the endless expanse of the sea.
Inside the inner caldera, lush green jungle flourishes, filled with banyan trees, ferns, and tropical flowers — a result of seeds carried here by typhoons and birds over centuries.
Geothermal steam vents in the crater let you experience the island’s volcanic activity up close, and yes, you can even cook your meals using the natural steam!
Why is Aogashima So Hard to Reach?
Let’s be clear: visiting Aogashima requires perseverance, luck, and a flexible schedule. There are no direct routes from the mainland, and every trip to Aogashima begins with getting to Hachijojima, another volcanic island located about 70 km away.
Here are your options once you reach Hachijojima:
Helicopter: A 20-minute flight operated by Tokyo Island Shuttle. Sounds simple, right? Well, there’s only one flight per day with nine seats. Bookings open exactly one month in advance, and they fill up within minutes. Plus, bad weather can cancel flights at the last minute.
Ferry: A 2.5-hour journey that operates 3-4 times a week. But here’s the catch — the ferry service has a 50% success rate due to the unpredictable sea conditions. The rough waters around Aogashima are notorious, and the ferry often gets canceled due to high waves and strong winds.
In short, reaching Aogashima is a test of patience and persistence, but for those who make it, the rewards are immeasurable.
Immersing Yourself in Aogashima’s Magic
Once you step onto Aogashima, the island’s raw beauty and tranquility envelop you. Start your adventure with a hike to Otonbu, the island’s highest point at 423 meters.
From here, the view of the double-caldera and the endless blue of the Pacific is breathtaking. It’s the kind of sight that makes every travel hiccup worthwhile.
In the heart of the caldera, you’ll find the Fureai Sauna, a geothermal sauna that uses volcanic steam.
Here, you can try cooking your own meals with the natural heat — a unique experience that blends relaxation with a touch of wilderness survival.
Exploring the inner crater feels like stepping into another world. The air is thick with humidity and the scent of earth, while dense foliage creates a jungle-like atmosphere. The island’s isolation means it remains largely untouched, a paradise for those who crave authentic, unfiltered nature.
As night falls, the lack of artificial light turns Aogashima into a stargazer’s dream. The sky blazes with constellations, uninterrupted by city lights.
It’s an experience that reminds you of how small you are in the grand scheme of things, and how beautiful that realization can be.
Aojiru: A Taste of Aogashima
No trip to Aogashima is complete without sampling the island’s signature drink: Aojiru (青酎). This unique local shochu is distilled from ingredients like sweet potatoes and barley, influenced by the volcanic environment of the island.
The result is a smooth, earthy spirit with a slight smokiness, reflecting the rugged, untamed nature of Aogashima. It’s often enjoyed with meals or as a relaxing drink after a day of hiking, giving visitors a true taste of the island’s distinct flavor and character.
If you’re lucky enough to visit, don’t miss out on this rare, island-made liquor.
Practical Tips for Visiting Aogashima
Aogashima’s remote nature means planning is crucial. Accommodations are limited to a few guesthouses (minshuku), which often require proof of your travel reservation before booking. Alternatively, the island offers a campsite within the caldera for those who prefer to sleep under the stars.
Always pack essentials and be prepared for sudden changes to your itinerary. The unpredictable weather can delay your departure or strand you for a few extra days, so patience is key.
Why Aogashima is Worth the Effort
Aogashima is not for the casual tourist; it’s for those who seek out challenges and cherish unique, off-the-grid experiences.
The island’s dramatic landscapes, volcanic wonders, and sheer remoteness make it a destination for the bold, the curious, and the persistent. If you’re willing to take on the journey, you’ll leave with stories and memories that few others can claim.
In the end, Aogashima isn’t just about the destination — it’s about embracing the unpredictability of the journey and finding beauty in the challenge.
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