Wikipedia
Castlefest
Castlefest is a medieval/fantasy festival in the Netherlands, held on the first weekend of August in the gardens of Castle Keukenhof in Lisse since 2005. The festival takes part during 3 days on Friday, Saturday and Sunday with an opening concert on Thursday (since 2011). During the first edition 3,500 visitors attended the event, in 2007 the festival attracted 16,000 visitors and in 2011 more than 24,000 visitors entered the gates of Castlefest. In August 2015 the festival attracted a record number of 35,000 visitors.
There are several folk bands performing each year at Castlefest.
Castlefest is based on the Celtic feast of Lughnasadh. Saturday night is the Pagan Night (most notable for the wicker burning each year).