Siljan Ring Siljan Ring The Siljan Ring () is a prehistoric impact crater in Dalarna, central Sweden. It is one of the 15 largest known impact craters on Earth and the largest in Europe, with a diameter of about . The impact that created the Siljan Ring occurred when a meteorite collided with the Earth's surface during the Devonian period, about 376.8 ± 1.7 Ma. This coincides around the first Devonian extinction, the Kellwasser Event or Late Frasnian extinction at 376.1 Ma ± 1.6 Ma. The effects of the impact can clearly be seen in the bedrock in the area. The Cambrian,
Mora, Sweden Vasaloppet week in the beginning of March. Mora has an 18-hole golf course located at sandängarna in Mora and an 18 hole, Jeremy Turner designed tournament length course on Sollerön. http://www.solgolf.se/ The "Cykelvasan" is a summer version of the Vasaloppet with its start and finish in Mora. During June we also have the famous "Siljanrunt" road races, attracting top European cyclists over three stages 70, 120 and 160 km with all races commencing and finishing on Sollerön. IFK Mora FK are based in Mora. Mora played host to 2007 World Junior Ice Hockey Championships, held in FM Mattsson Arena. Another