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Oulu
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Oulu Castle

Oulun linna

The castle was damaged by attack in the 18th century and finally blown to pieces in 1793 when lightning struck the gunpowder magazine. What you see now is the maritime observatory built on the ruins; it's set in a pleasant park, and you can climb the tower for views. There's a café (Tähtitornin kahvila) within. The cellar (same hours) displays info on the castle - mostly in Finnish, but there's more in the Northern Ostrobothnia Museum.

Hours
Café daily May & Sep: 11:00–19:00, Jun & late Aug: 11:00–20:00, Jul & early Aug: 11:00–21:00 21:00
Price
Free

Listing from Wikivoyage: Oulu, CC BY-SA 4.0.

Updated 28 Sept 2026. Something wrong? Tell us.