Step into a world where centuries-old grandeur meets modern-day music culture at Lumley Castle the breathtaking setting for Opulence Festival 2026. Set against the backdrop of a majestic 14th-century castle surrounded by lush parklands and overlooking the River Wear, Opulence Festival transforms this historic landmark into a vibrant playground of sound, style, and celebration. Lumley Castle has stood for over 600 years, blending medieval architecture with modern luxury making it one of the most unique festival venues in the UK.