Päijälä hillfort in Kuhmoinen, Finland, lies on an isthmus between Lakes Linnajärvi and Saaresjärvi in a forest wilderness. The hill rises 40 m higher than its environs and the top is c. 100 m in diameter on two levels. The defenses are in the west. The C14 dating is 1026–1281 CE #HillfortsWednesday