Special days & events

On Saturday 30 May 2026, you’ll experience a thrilling journey around the world at Thermen Soesterberg! During this exclusive Opgietdag XXL, international masters from Germany, Slovakia and the Czech Republic will show you why they rank among the world’s best. And of course, our own top performers will be there too; they’ll be bringing their impressive Dutch Championship shows to the Sauna Theatre.

Let yourself be swept away by a unique programme full of passion, craftsmanship and overwhelming aromatic experiences. For just €25 (excl. day ticket), you’re guaranteed access to all the special XXL Opgiet shows on the day.