About Exhibition Royal Cornwall Show 2026 will be held from 4th - 6th June 2026 at Royal Cornwall Showground, Wadebridge, Cornwall, United Kingdom. This is one of the largest agricultural shows in the UK, and attracts over 100,000 visitors each year. It is a showcase for the best of Cornish agriculture, food, and culture. The pavilion houses a wide range of exhibitors showcasing Cornish produce and food products.