This well-established free music festival takes place in the grounds of Hertford Castle. Four music stages surround the Castle where live bands, musicians and acoustic acts play to the public. From Rock to Folk, Indie to Pop, this music festival has something for everyone. Food stalls and pop up bar available for refreshments. Free Entry, donations welcome. Charity applications will open in March 2018. Band applications will open in March 2018. http://www.hertford.gov.uk/events/rock-at-the-castle-423/