Ostrów Tumski



Home to archaeological ruins, churches and museums, this “cathedral” island is also the site where Poznán was founded in the 10th century.

Discover over 1,000 years of Polish history at Tumski Island (Ostrów Tumski). This small inner-city island sits between the Cybina and Warta rivers. In the 9th century a castle was built here and the island then became a center for the Piast dynasty, a stronghold of Mieszko I of Poland and the place where Catholicism in Poland originated.

Much of what you’ll want to see is located in the island’s southern section. Start at the Cathedral of St. Peter and Paul, a magnificent mishmash of Gothic, Baroque and neoclassical architectural styles. First erected in the 10th century, this is the island’s oldest relic, which has been destroyed and rebuilt several times. Step inside to observe its 12 chapels, an elaborate high altar, stained-glass windows and tombs of kings such as Mieszko I and Boleslaw I the Brave.

View the collection of religious landmarks lining the streets that surround the cathedral. The Gothic-style Church of the Virgin Mary dates back to the 1400s. Inspect the well-preserved exteriors of the Archbishop’s Palace and the Kuria Metropolitalna. Close to the latter is a statue dedicated to Pope John Paul II.

Wander along the quiet cobblestone streets to the Archdiocese Museum. Once an ecclesiastical learning center, it now houses displays of centuries-old bishops’ robes, religious jewelry and paintings. Adjacent to the museum is Genius Loci Archaeological Park. Pick up an audio guide and learn about the island’s past through multimedia exhibits and unearthed fortifications.

Cross the river via a skywalk to Porta Posnania Interactive Heritage Centre of Cathedral Island. This museum presents a deeper insight into the history of the area. Visit the churches and quaint cafés of the Śródka district or return to the island via Bishop Jordan Bridge.

Located about 0.7 miles (1.2 kilometers) east of Poznań’s Old Town, Tumski Island is easy to reach on foot. Use public buses and streetcars that stop a short walk from the main attractions.

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