Neste Porvoo Refinery

Iso Linnamäki is one of Porvoo’s most fascinating historical attractions. From the top of this ancient hillfort, visitors can enjoy stunning views of Old Porvoo, the Porvoo River and the iconic red riverside warehouses. Several walking trails run through the area, making it perfect for a relaxing outdoor excursion, a picnic or photography. History enthusiasts can explore the remains of a medieval defensive site while enjoying some of the city’s most beautiful scenery. The hill is a popular destination for both locals and visitors throughout the year.