Raatti swimming pool

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.

A "water park" meaning a floated obstacle course in the Oulu river delta. Right next to the Oulu castle ruins and cafe, so you can get a coffee or a cold beer after!

The Sailor’s Home Museum is on the idyllic island of Pikisaari near downtown Oulu. The museum is in the oldest surviving wooden building in Oulu, also known as Matila House, and is the former home of sailor Isak Matilainen.

Closed for renovation until 2026A great museum on the history of Northern Ostrobothnia, especially the history of Oulu. Exhibitions on four floors.

Plays in Finnish.

The beautiful park of Hupisaaret (lit. Fun Islands) is a lush area with little paths and bridges crossing beautiful little streams. The longest fish path of Finland, 750-m- and 64-stair-long fish path is on the northern part of Hupisaaret park. Take a picnic or just stroll around the renovated park where you can also find the soon-to-be-mentioned Northern Ostrobothnia Museum. Tietomaa and Oulu Museum of Art are also found near the park.