The castle cathedral contains a stained glass window that aligns with the full moon in August to create the silhouette of the White Lady.
The cathedral's nave was built without ceiling pillars to support a massive roof, making it structurally distinct for the period.
Archaeological excavations revealed that the site was constructed on the foundations of earlier wooden fortifications.
The castle walls were intentionally built thick enough to withstand early artillery fire during the 16th century.
A secret underground passage is rumored to connect the castle to the nearby coastal cliffs, though it remains largely unverified.
The castle houses an extensive collection of medieval weaponry and armor recovered from the Läänemaa region.
Haapsalu Castle is a 13th-century episcopal fortress that served as the residence for the Bishops of Ösel-Wiek. The site features an extensively restored main castle building housing a permanent historical exhibition on the life of the bishopric. Visitors can climb the stone bell tower to view the city and the surrounding coastline. The complex includes a large, open-air courtyard where the remains of the cathedral—the largest single-nave church in the Baltic states—are situated. The cathedral features a unique circular chapel known for the legend of the White Lady. The castle grounds were integrated into a modern museum facility that uses interactive displays to explain medieval defense tactics and episcopal governance. Extensive stone fortifications and moat remains surround the main structure. It remains one of the best-preserved medieval episcopal castles in Estonia today.
From the base of the cathedral ruins looking up at the high arched windows, or from the top of the main bell tower looking over the courtyard.
Wear comfortable, flat walking shoes, as the internal courtyard and towers feature uneven stone flooring and steep stairs.
Check the museum's seasonal calendar before arrival to see if there are guided night tours or special historical reenactments scheduled.
Bring a windbreaker or warm layer, as the coastal breeze is significantly colder at the top of the ramparts than on the ground level.
Do not attempt to climb onto the exterior fortification walls that have been cordoned off for safety and preservation.
Museum exhibitions may have reduced accessibility or modified routes during the winter months.
Maintain a respectful volume inside the cathedral ruins; touching historical wall frescoes is strictly prohibited.