It takes about 30 to 45 minutes to hike up to the Onigashima Cave. Alternatively, a bus from the ferry terminal reaches the cave in about 10 minutes. The fare is 500 yen one way or 800 yen for a round trip. Buses are timed to coincide with ferry arrivals, but they may not run every day during the off-season.
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Onigashima Cave
1 of 1 in Megijima Island
Onigashima Cave (鬼ヶ島大洞窟) is a fascinating destination that blends natural beauty with Japanese folklore. According to legend, this mysterious cave was once the hideout of fearsome oni (ogres) from the famous Momotaro story. Inside, visitors can wander through cool, shadowy limestone corridors lined with dramatic rock formations and playful ogre statues that bring the tale to life. A scenic hike up the island’s forested mountain leads to the cave, offering sweeping views of the Seto Inland Sea and nearby islands along the way.
Getting to the cave from Megijima Port is easy: either hop on a short bus ride or rent a bicycle to reach the entrance. Buses are timed to coincide with ferry arrivals and take about 10 minutes. For those who prefer walking, it’s a 30- to 40-minute hike up the mountain from the port—making the journey part of the adventure. Whether you're drawn by folklore, geology, or the thrill of exploring a unique natural setting, Onigashima Cave promises an unforgettable experience on one of Japan’s most legendary islands.
Hours and Fees
Onigashima Cave
- Opening hours
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8:30 to 17:00
- Closed
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No closing days
- Entrance fee
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600 yen
Getting there
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