MergelZomer Valkenburg

MergelZomer Valkenburg - A summer voyage of discovery above and below ground! In Valkenburg, summer is entirely devoted to marlstone – the characteristic limestone that gives South Limburg, and Valkenburg in particular, its unique character. During MergelZomer – from early July to early September – you discover this special world in and around Valkenburg, both above ground and deep underground. Let yourself be carried along past open-air film evenings, creative workshops with marlstone, guided tours of caves and castles, atmospheric markets, music, walking and cycling routes, and adventurous ac

Event data via regional agendas. Dates can change — check the event page before you go.