Beautiful place to visit!

Where the road curves, there's a slightly open spot The view is nice, and there's a bus stop nearby too

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In 1962, a fissure eruption occurred on the mountainside connecting the summit of Oyama and Akabakkyo. At that time, lava shot up to a height of about 200m from the crater, and the scoria cone formed by the piling up of large amounts of volcanic ejecta reached a height of several tens of meters; its name "Sanshichiyama" comes from the year the eruption occurred. The summit is like an observation deck, or rather a viewing spot, where you can enjoy the contrast of sky, sea, and land divided by the stretching black lava and the horizon.

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Visited on August 10, 2024. It's an observation deck where you can view Sanshichiyama and Hyotanyama. If you come to Miyakejima, I highly recommend stopping by. According to the information board, Sanshichiyama is a scoria cone formed by black pumice deposited during the eruption of Showa 37 (1962). Apparently a row of craters formed up to around the 8th station of Oyama, and a curtain of fire could be seen.

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There's a parking lot, toilets, and an observation deck. Unfortunately, it was raining when I visited and I couldn't see anything. I wish I'd visited on a clear day.