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Goryōkaku Star Fort
📜 History

Goryōkaku Star Fort

📍 Hokkaido, Hakodate

A Western-style fortress in Hakodate built as a perfect five-pointed star — best seen from the tower above, and unforgettable in spring when 1,600 cherry trees turn the whole star pink.

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.

🐿️ Cinnamon was here

Field report

From the ground, Goryōkaku is a pleasant park with a moat that keeps turning. From the tower next door, it snaps into shape: a perfect five-pointed star drawn in earth and water, a Western-style fortress from the last gasp of the samurai era.

I took the tower first (correct order, trust me), pressed my face to the glass, and mapped my climbing route like a general. Then I spent the afternoon down in the star itself — in spring, 1,600 cherry trees fill the ramparts and the whole fortification goes pink, which rather undermines its military dignity and improves everything else.

The shape only exists from above, which feels like a secret the ground-level humans are cheerfully missing. Tower, then star. Sakura season if you can. History with excellent geometry.

— Cinnamon 🐿️

📸 Cinnamon's camera roll

Snapshots from our very good boy on the road.

Face pressed to the tower glass, mapping the five-pointed star like a general. The shape only exists from above — tower first, always.
Down in the star itself in spring, 1,600 cherry trees turning the ramparts pink. Undermines the military dignity, improves everything else.
Goryokaku fort, Hakodate
Photo via Wikimedia Commons
An aerial view of the star-shaped moat ringed with pink cherry blossoms
It's a fort shaped like a star. From above it's just showing off.
Mon-chan and Cinnamon the squirrel on the tower deck above the pink star-shaped fort
A fort shaped like a star! Cinnamon tried to transform into one. Mixed results.

Where it is

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