Dance Valley Festival returns to Spaarnwoude, Netherlands on August 8, 2026, featuring electronic music headliner Calvin Harris alongside notable acts including Hardwell. This electronic music festival showcases house, pop, j dance, and goa trance across its lineup of 19 artists from Germany, Netherlands, and the United Kingdom. Dance Valley offers a diverse electronic music experience with both mainstream pop-electronic crossover acts and underground dance music genres in a single-day festival format.