Tynnelsö Castle

Tynnelsö Castle
Strängnäs Municipality, Sweden
Tynnelsö Castle
Site information
TypeCastle
Location
Coordinates59°24′44″N 17°06′01″E / 59.41222°N 17.10028°E / 59.41222; 17.10028
Site history
BuiltOldest parts probably from the 13th century
Built bySeveral medieval bishops of Strängnäs
Battles/warsSwedish War of Liberation

Tynnelsö Castle (Swedish: Tynnelsö slott) is a castle in Sweden. It is on Tynnelsö island in Lake Mälaren, a few kilometres north-east of Strängnäs. The castle was built during the Middle Ages by the bishops of Strängnäs.