AT A GLANCE
Why go?
Tategasaki (楯ヶ崎) is a colossal basalt cape on the Kumano coast of Mie Prefecture, where a wall of columnar joint pillars rises approximately 100 metres from the Pacific Ocean across a 600-metre front. Often called the largest columnar joint formation in Japan, it looks like a giant stone shield planted against the sea—which is exactly what its name means.↗↗
The cape sits inside Yoshino-Kumano National Park as a specially protected zone, and can be appreciated from two dramatically different vantage points: a 70-minute sightseeing cruise that brings you face-to-face with the cliffs from the water, or a 40-minute forest walk along an interpretive trail to the headland itself.↗↗
A Shield of Stone Born from Ancient Volcanoes
Tategasaki's pillars were forged by a massive volcanic eruption more than 14 million years ago, when molten magma cooled into the tight hexagonal columns visible today. The formation earned its name—"cape of the shield"—because the upright basalt faces resemble a row of enormous tate, the long shields carried by samurai. A Heian-period poet and monk named Zōki Hōshi wrote of passing here and describing rocks "lined up like shields" at "the place where gods once fought."