Dalhalla is an open air theatre located in a former limestone quarry, and is used as a summer music venue. It is located 7 km north of Lake Siljan and the municipality of Rättvik in Dalarna, central Sweden.
The quarry, previously known as Draggängarna, is 60 m deep, 400 m long and 175 m wide. It was in operation until 1990. The open air theater was opened in 1995 and currently has 4,000 seats. The acoustical qualities are comparable to the best outdoor stages in Europe.Dalhalla presents 20-30 events each summer, from June to the beginning of September with a combination of opera, choral works, jazz and popular concerts making up the bulk of the program.