Goryōkaku Star Fort

From the ground it looks like an ordinary moat-ringed park. From the air it’s a flawless five-pointed star. Goryōkaku was Japan’s first Western-style fortress, built in the 1860s on European principles of geometric defense — and its dramatic star shape has long outlived its guns.

Why It’s Interesting

The angular star was designed so defenders could cover every approach with crossfire, a radical idea imported as Japan opened to the world. It saw the last stand of the shogunate’s forces in 1869, and is now a beloved public park. The genius twist for visitors: you climb the Goryōkaku Tower beside it to look down and finally see the whole star — and in spring, that star is outlined by 1,600 cherry trees in full pink bloom.

Best Time to Visit

Lovely year-round, but early May cherry-blossom season is the showstopper, with winter evening illuminations a quieter runner-up.

Getting There

Take the Hakodate tram to Goryōkaku-kōen-mae and walk a few minutes to the park and tower.