
Araiyasushige / CC0 1.0
Ehime · Shikoku
Perched at 307m on the southern tip of Oshima Island, this Kengo Kuma-designed observatory is built into the mountainside rather than on top of it, so the panorama of the triple-span Kurushima-Kaikyo Bridge and the roiling straits below opens up almost without warning. It's regarded by many cyclists and photographers as the single best view on the entire Shimanami Kaido.
Usual hours — confirm with the official site for holidays + seasonal closures.
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