Why pilgrims come
A sacred place worth the journey.
The archaeological and memorial landscape of Finland's early medieval episcopal seat after Nousiainen and before the cathedral moved to Turku, completing the geographic sequence of St. Henry's ecclesial legacy.
TraditionCatholic
The pilgrim’s guide
What makes this visit meaningful
Koroinen supplies the missing middle chapter in Finland's episcopal story: Nousiainen, Koroinen, then Turku. Visit the earthworks, memorial cross, and river junction as archaeology—not as a surviving medieval sanctuary.
01
Early episcopal seat
Place Koroinen between Nousiainen and Turku in the development of Finland's medieval Church.
02
Church and residence archaeology
Read the foundations and landform rather than expecting a standing cathedral.
03
Memorial cross and river landscape
Pause at the modern marker overlooking the waterways that shaped the site.