Siljan (lake) Siljan (lake) Siljan, in Dalarna in central Sweden, is Sweden's sixth largest lake. The cumulative area of Siljan and the adjacent, smaller lakes Orsasjön and Insjön is . Siljan reaches a maximum depth of , and its surface is situated above sea level. The largest town on its shore is Mora. The lake is located around the southwestern perimeter of the Siljan Ring (Swedish: "Siljansringen"), a circular geological formation which was formed 377 million years ago in the Devonian by a major meteorite impact. The original crater, now mostly eroded, is estimated to have been about 52 km (32 mi)
Gustav I of Sweden Norway. While he made his way from Mora via Lima to Norway, people that had recently turned down Gustav's call for support against the king changed their minds. Representatives of that group caught up with Gustav before he had reached Norway and convinced him to follow them back to Mora. Gustav Eriksson's run towards Norway and back has formed the background to the famous cross-country ski race Vasaloppet. Gustav Eriksson was appointed "hövitsman". The rebel force he led grew. In February 1520 it consisted of 400 men, mainly from the area around Lake Siljan. The first big clash in the