57130 Savonlinna, Finland
Olavinlinna is a 15th-century three-tower castle located in Savonlinna, Finland. It is built on an island in the Kyrönsalmi strait that connects the lakes Haukivesi and Pihlajavesi. It is the northernmost medieval stone fortress still standing.
June 1st - June 30th and August 1st - August 31st: Every day 11am - 6pm
July 1st - July 31st: Every Day 10am - 6pm
September 1st - December 15th and December 27th - December 30th: Monday-Friday 10am - 4pm, Saturday-Sunday 11am - 4pm