Siljan, in Dalarna in central Sweden, is Sweden’s seventh largest lake.
The cumulative area of Siljan and the adjacent, smaller lakes Orsasjön and Insjön is 354 km2 (137 sq mi).
Siljan reaches a maximum depth of 134 m (440 ft), and its surface is situated 161 m (528 ft) above sea level.
The largest town on its shore is Mora.
